Org pitching register -- PWL
Regular season -- as of 10/16/1970
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| Ted Abernathy | STL | rp | 38 | 3.21 | 6 | 2 | 0 | 45 | 0 | 0 | 0 | 67.1 | 59 | 25 | 24 | 34 | 47 | 9 | 6 |
| Ed Acosta | NYM | sp | 27 | 3.38 | 9 | 8 | 25 | 55 | 0 | 0 | 0 | 53.1 | 61 | 25 | 20 | 14 | 14 | 6 | 8 |
| Jack Aker | MIL | rp | 29 | 3.03 | 3 | 3 | 1 | 54 | 0 | 0 | 0 | 74.1 | 76 | 30 | 25 | 21 | 37 | 3 | 11 |
| Doyle Alexander | PHI | sp | 20 | 4.87 | 5 | 2 | 1 | 48 | 0 | 0 | 0 | 81.1 | 102 | 48 | 44 | 28 | 28 | 9 | 9 |
| Lloyd Allen | PIT | rp | 21 | 3.35 | 4 | 3 | 1 | 33 | 0 | 0 | 0 | 37.2 | 34 | 14 | 14 | 15 | 24 | 0 | 5 |
| Steve Arlin | CIN | sp | 25 | 3.67 | 15 | 7 | 0 | 33 | 33 | 3 | 1 | 223.1 | 210 | 106 | 91 | 101 | 162 | 11 | 17 |
| Rick Austin* | LAD | rp | 23 | 6.34 | 3 | 7 | 0 | 22 | 1 | 0 | 0 | 38.1 | 47 | 31 | 27 | 15 | 33 | 8 | 5 |
| Stan Bahnsen | HOU | sp | 26 | 3.44 | 11 | 6 | 0 | 33 | 33 | 5 | 3 | 219.2 | 224 | 98 | 84 | 73 | 111 | 23 | 24 |
| Dave Baldwin | NYM | rp | 32 | 4.97 | 5 | 3 | 0 | 38 | 0 | 0 | 0 | 38.0 | 37 | 23 | 21 | 26 | 21 | 10 | 1 |
| Mark Ballinger | ATL | rp | 22 | 4.65 | 4 | 2 | 7 | 47 | 0 | 0 | 0 | 40.2 | 44 | 23 | 21 | 24 | 31 | 6 | 2 |
| Steve Barber* | BAL | rp | 32 | 3.44 | 3 | 5 | 0 | 50 | 5 | 1 | 0 | 99.1 | 109 | 47 | 38 | 21 | 61 | 6 | 16 |
| Jim Barr | OAK | rp | 23 | 3.78 | 3 | 2 | 2 | 21 | 0 | 0 | 0 | 33.1 | 36 | 17 | 14 | 10 | 19 | 7 | 2 |
| Fred Beene | CAA | rp | 27 | 6.75 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 9.1 | 13 | 7 | 7 | 2 | 8 | 3 | 1 |
| Jerry Bell | NYM | rp | 23 | 1.31 | 3 | 3 | 3 | 16 | 0 | 0 | 0 | 20.2 | 12 | 5 | 3 | 10 | 15 | 0 | 2 |
| Frank Bertaina* | BOS | sp | 26 | 4.19 | 1 | 2 | 0 | 11 | 3 | 0 | 0 | 19.1 | 30 | 16 | 9 | 10 | 10 | 0 | 3 |
| Jack Billingham | CAA | sp | 28 | 4.24 | 7 | 3 | 0 | 39 | 13 | 2 | 1 | 129.1 | 152 | 73 | 61 | 44 | 76 | 6 | 16 |
| Wade Blasingame* | MIL | sp | 27 | 5.95 | 4 | 23 | 0 | 33 | 33 | 3 | 2 | 169.1 | 214 | 128 | 112 | 53 | 110 | 17 | 12 |
| Steve Blass | ATL | sp | 29 | 4.08 | 15 | 7 | 0 | 25 | 25 | 8 | 2 | 176.1 | 194 | 85 | 80 | 57 | 111 | 18 | 9 |
| Vida Blue* | MIL | sp | 21 | 2.82 | 7 | 18 | 0 | 34 | 34 | 5 | 1 | 239.2 | 210 | 92 | 75 | 66 | 257 | 22 | 12 |
| Bert Blyleven | MIN | sp | 20 | 3.65 | 18 | 8 | 0 | 38 | 37 | 9 | 5 | 239.1 | 244 | 99 | 97 | 57 | 198 | 23 | 18 |
| Bobby Bolin | NYY | rp | 32 | 5.51 | 1 | 2 | 0 | 25 | 0 | 0 | 0 | 32.2 | 36 | 24 | 20 | 15 | 18 | 5 | 2 |
| Pedro Borbon | SFG | rp | 23 | 14.73 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 3.2 | 9 | 6 | 6 | 8 | 1 | 0 | 1 |
| Dick Bosman | ATL | sp | 26 | 5.30 | 13 | 10 | 0 | 34 | 34 | 5 | 0 | 205.1 | 244 | 135 | 121 | 75 | 121 | 23 | 17 |
| Dave Boswell | PIT | sp | 25 | 1.23 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 7.1 | 5 | 1 | 1 | 5 | 5 | 0 | 1 |
| Jim Bouton | KCR | rp | 31 | 4.62 | 1 | 6 | 0 | 11 | 11 | 1 | 0 | 64.1 | 87 | 44 | 33 | 27 | 47 | 5 | 2 |
| Gene Brabender | CHW | sp | 28 | 3.26 | 6 | 4 | 3 | 62 | 2 | 0 | 0 | 96.2 | 87 | 43 | 35 | 47 | 57 | 6 | 14 |
| Tom Bradley | CLE | sp | 24 | 2.76 | 23 | 9 | 0 | 38 | 38 | 12 | 6 | 274.0 | 240 | 91 | 84 | 65 | 194 | 12 | 17 |
| Bucky Brandon | MIL | rp | 30 | 4.68 | 0 | 0 | 0 | 52 | 0 | 0 | 0 | 75.0 | 99 | 48 | 39 | 49 | 52 | 5 | 9 |
| Ken Brett* | CHW | rp | 21 | 2.89 | 7 | 7 | 1 | 32 | 14 | 5 | 2 | 127.2 | 80 | 52 | 41 | 54 | 145 | 11 | 6 |
| Jim Brewer* | SFG | rp | 33 | 2.70 | 13 | 5 | 28 | 66 | 0 | 0 | 0 | 76.2 | 53 | 24 | 23 | 23 | 67 | 6 | 13 |
| Nelson Briles | NYM | rp | 27 | 3.06 | 11 | 5 | 0 | 26 | 26 | 6 | 2 | 173.2 | 176 | 65 | 59 | 33 | 100 | 14 | 16 |
| Pete Broberg | ATL | sp | 21 | 5.01 | 4 | 1 | 0 | 55 | 1 | 0 | 0 | 82.2 | 92 | 50 | 46 | 48 | 66 | 11 | 5 |
| Jackie Brown | KCR | rp | 27 | 4.20 | 0 | 4 | 0 | 26 | 8 | 0 | 0 | 75.0 | 63 | 43 | 35 | 57 | 60 | 12 | 8 |
| George Brunet* | SFG | sp | 35 | 4.27 | 7 | 6 | 0 | 25 | 24 | 3 | 1 | 149.2 | 150 | 78 | 71 | 58 | 90 | 17 | 14 |
| Ron Bryant* | BOS | sp | 23 | 4.27 | 12 | 11 | 0 | 30 | 30 | 2 | 1 | 172.2 | 181 | 91 | 82 | 61 | 109 | 19 | 23 |
| Wally Bunker | HOU | sp | 25 | 4.57 | 5 | 1 | 3 | 54 | 3 | 0 | 0 | 104.1 | 98 | 58 | 53 | 43 | 47 | 14 | 6 |
| Jim Bunning | DET | sp | 38 | 4.27 | 7 | 9 | 0 | 23 | 22 | 4 | 0 | 143.1 | 153 | 80 | 68 | 40 | 105 | 12 | 9 |
| Tom Burgmeier* | MIN | rp | 27 | 2.70 | 9 | 4 | 30 | 66 | 0 | 0 | 0 | 83.1 | 91 | 33 | 25 | 24 | 41 | 6 | 11 |
| Bill Butler* | LAD | sp | 23 | 5.33 | 5 | 15 | 0 | 32 | 32 | 2 | 1 | 175.2 | 172 | 113 | 104 | 94 | 100 | 22 | 25 |
| Les Cain* | KCR | sp | 22 | 4.63 | 7 | 24 | 0 | 40 | 35 | 2 | 1 | 210.0 | 237 | 128 | 108 | 123 | 195 | 13 | 25 |
| Fred Cambria | CIN | sp | 22 | 3.63 | 0 | 3 | 0 | 7 | 7 | 0 | 0 | 34.2 | 34 | 27 | 14 | 17 | 13 | 8 | 4 |
| Sal Campisi | MON | rp | 27 | 3.75 | 1 | 9 | 16 | 61 | 0 | 0 | 0 | 62.1 | 74 | 37 | 26 | 39 | 24 | 5 | 12 |
| Buzz Capra | CLE | rp | 23 | 5.40 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5.0 | 6 | 3 | 3 | 1 | 0 | 0 | 0 |
| Steve Carlton* | STL | sp | 26 | 3.53 | 13 | 6 | 0 | 33 | 33 | 9 | 2 | 234.1 | 208 | 95 | 92 | 90 | 157 | 20 | 22 |
| Don Carrithers | KCR | sp | 21 | 4.88 | 6 | 11 | 0 | 21 | 16 | 1 | 0 | 96.0 | 104 | 64 | 52 | 63 | 51 | 6 | 7 |
| Clay Carroll | BOS | rp | 29 | 2.17 | 4 | 3 | 7 | 53 | 0 | 0 | 0 | 66.1 | 66 | 24 | 16 | 18 | 37 | 1 | 12 |
| Bill Champion | MIL | rp | 23 | 3.61 | 0 | 0 | 0 | 52 | 1 | 0 | 0 | 109.2 | 103 | 51 | 44 | 46 | 65 | 18 | 11 |
| Dean Chance | PIT | rp | 29 | 2.95 | 4 | 2 | 0 | 15 | 6 | 1 | 0 | 55.0 | 57 | 22 | 18 | 19 | 39 | 4 | 7 |
| Rickey Clark | KCR | sp | 25 | 4.94 | 1 | 5 | 0 | 11 | 8 | 1 | 0 | 54.2 | 52 | 35 | 30 | 38 | 39 | 5 | 2 |
| Reggie Cleveland | SFG | sp | 23 | 4.46 | 13 | 10 | 0 | 34 | 33 | 5 | 2 | 218.0 | 227 | 113 | 108 | 45 | 173 | 33 | 18 |
| Tony Cloninger | BAL | sp | 29 | 2.43 | 4 | 1 | 1 | 24 | 0 | 0 | 0 | 40.2 | 35 | 14 | 11 | 26 | 12 | 3 | 10 |
| Vince Colbert | MON | rp | 25 | 5.41 | 4 | 14 | 0 | 30 | 30 | 3 | 0 | 169.2 | 192 | 117 | 102 | 103 | 108 | 18 | 18 |
| Jim Colborn | CHC | rp | 24 | 5.32 | 2 | 0 | 0 | 44 | 0 | 0 | 0 | 67.2 | 92 | 44 | 40 | 15 | 44 | 4 | 8 |
| Joe Coleman | OAK | sp | 24 | 2.70 | 15 | 5 | 0 | 27 | 27 | 8 | 5 | 193.2 | 170 | 66 | 58 | 69 | 159 | 12 | 15 |
| Ron Cook* | MON | rp | 22 | 6.67 | 8 | 11 | 0 | 76 | 3 | 0 | 0 | 86.1 | 116 | 70 | 64 | 57 | 71 | 9 | 21 |
| Danny Coombs* | OAK | sp | 28 | 3.29 | 14 | 8 | 0 | 29 | 29 | 4 | 2 | 196.2 | 171 | 83 | 72 | 70 | 129 | 17 | 16 |
| Ray Corbin | CHC | rp | 22 | 4.86 | 9 | 9 | 0 | 35 | 19 | 1 | 0 | 133.1 | 148 | 84 | 72 | 62 | 86 | 25 | 13 |
| Mike Corkins | STL | sp | 24 | 4.42 | 3 | 3 | 1 | 25 | 4 | 0 | 0 | 59.0 | 56 | 33 | 29 | 42 | 34 | 12 | 3 |
| Casey Cox | HOU | sp | 28 | 4.15 | 2 | 1 | 0 | 30 | 2 | 0 | 0 | 56.1 | 56 | 30 | 26 | 18 | 12 | 8 | 7 |
| Jerry Crider | WSH | rp | 28 | 5.16 | 3 | 4 | 1 | 61 | 7 | 0 | 0 | 103.0 | 132 | 74 | 59 | 44 | 51 | 16 | 5 |
| Mike Cuellar* | SFG | sp | 33 | 4.04 | 15 | 6 | 0 | 34 | 34 | 4 | 1 | 213.2 | 220 | 110 | 96 | 57 | 154 | 39 | 14 |
| Ray Culp | ATL | sp | 28 | 3.62 | 15 | 8 | 0 | 33 | 33 | 9 | 1 | 231.1 | 207 | 109 | 93 | 79 | 184 | 23 | 16 |
| George Culver | CIN | rp | 27 | 4.14 | 0 | 2 | 1 | 24 | 0 | 0 | 0 | 37.0 | 39 | 19 | 17 | 21 | 29 | 3 | 2 |
| John Cumberland* | PHI | rp | 24 | 3.64 | 5 | 5 | 8 | 42 | 9 | 0 | 0 | 99.0 | 91 | 42 | 40 | 32 | 41 | 13 | 12 |
| John Curtis* | KCR | sp | 23 | 3.74 | 1 | 2 | 1 | 13 | 3 | 1 | 0 | 33.2 | 31 | 15 | 14 | 17 | 34 | 1 | 2 |
| Bruce Dal Canton | MIL | sp | 29 | 4.79 | 4 | 20 | 0 | 31 | 31 | 3 | 0 | 173.0 | 190 | 109 | 92 | 62 | 74 | 22 | 13 |
| Joe Decker | SDP | sp | 23 | 4.14 | 5 | 13 | 0 | 25 | 20 | 5 | 1 | 143.1 | 130 | 72 | 66 | 65 | 107 | 20 | 15 |
| Bill Denehy | CHC | rp | 25 | 6.61 | 2 | 3 | 0 | 10 | 6 | 0 | 0 | 32.2 | 43 | 30 | 24 | 22 | 16 | 9 | 5 |
| Larry Dierker | CAA | sp | 23 | 3.59 | 9 | 7 | 0 | 31 | 26 | 4 | 1 | 168.0 | 157 | 84 | 67 | 57 | 102 | 21 | 8 |
| Jack DiLauro* | KCR | rp | 27 | 7.56 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 8.1 | 7 | 7 | 7 | 5 | 4 | 1 | 0 |
| Chuck Dobson | CAA | sp | 26 | 4.87 | 11 | 17 | 0 | 33 | 33 | 4 | 1 | 190.1 | 197 | 124 | 103 | 77 | 102 | 39 | 12 |
| Pat Dobson | DET | sp | 29 | 4.97 | 14 | 13 | 0 | 34 | 33 | 4 | 2 | 195.2 | 213 | 121 | 108 | 61 | 123 | 33 | 12 |
| Al Downing* | DET | sp | 30 | 4.61 | 13 | 13 | 0 | 32 | 32 | 5 | 0 | 205.0 | 226 | 117 | 105 | 70 | 125 | 15 | 19 |
| Paul Doyle* | MIN | rp | 30 | 10.38 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 4.1 | 9 | 6 | 5 | 3 | 3 | 1 | 1 |
| Moe Drabowsky | KCR | rp | 34 | 7.41 | 4 | 6 | 6 | 54 | 0 | 0 | 0 | 58.1 | 68 | 52 | 48 | 32 | 43 | 12 | 4 |
| Dick Drago | PIT | sp | 26 | 3.82 | 14 | 13 | 0 | 32 | 32 | 7 | 4 | 202.2 | 234 | 103 | 86 | 47 | 109 | 13 | 38 |
| Tom Dukes | NYY | rp | 27 | 2.73 | 3 | 2 | 1 | 28 | 0 | 0 | 0 | 26.1 | 23 | 9 | 8 | 6 | 24 | 2 | 1 |
| Steve Dunning | BOS | sp | 22 | 5.81 | 10 | 11 | 0 | 33 | 33 | 2 | 1 | 179.2 | 176 | 120 | 116 | 102 | 134 | 30 | 13 |
| Dock Ellis | HOU | sp | 26 | 3.97 | 12 | 5 | 0 | 30 | 30 | 5 | 2 | 197.0 | 209 | 95 | 87 | 71 | 124 | 17 | 14 |
| Dick Ellsworth* | CIN | rp | 30 | 10.24 | 1 | 3 | 0 | 14 | 0 | 0 | 0 | 9.2 | 13 | 11 | 11 | 3 | 5 | 0 | 2 |
| Dick Ellsworth* | CHC | rp | 30 | 4.59 | 3 | 1 | 0 | 22 | 5 | 0 | 0 | 49.0 | 63 | 30 | 25 | 16 | 21 | 5 | 2 |
| Ed Farmer | BOS | rp | 21 | 5.37 | 8 | 3 | 2 | 69 | 0 | 0 | 0 | 70.1 | 78 | 53 | 42 | 48 | 46 | 8 | 9 |
| Rollie Fingers | CLE | rp | 24 | 4.04 | 1 | 4 | 20 | 56 | 0 | 0 | 0 | 64.2 | 62 | 29 | 29 | 14 | 48 | 10 | 7 |
| Eddie Fisher | CLE | rp | 33 | 5.21 | 2 | 2 | 0 | 43 | 1 | 0 | 0 | 57.0 | 58 | 35 | 33 | 19 | 29 | 7 | 1 |
| Al Fitzmorris | KCR | rp | 25 | 3.38 | 5 | 14 | 0 | 26 | 21 | 4 | 1 | 154.1 | 137 | 72 | 58 | 89 | 64 | 7 | 20 |
| Rich Folkers* | SDP | rp | 23 | 11.25 | 0 | 5 | 0 | 16 | 3 | 0 | 0 | 36.0 | 54 | 48 | 45 | 35 | 17 | 13 | 5 |
| Ken Forsch | MON | sp | 24 | 3.73 | 11 | 13 | 0 | 32 | 32 | 4 | 3 | 210.0 | 215 | 103 | 87 | 78 | 175 | 18 | 16 |
| Terry Forster* | SFG | rp | 19 | 1.89 | 4 | 0 | 3 | 40 | 0 | 0 | 0 | 38.0 | 31 | 11 | 8 | 19 | 38 | 2 | 2 |
| Alan Foster | NYM | sp | 24 | 2.98 | 10 | 6 | 0 | 23 | 23 | 1 | 1 | 151.0 | 122 | 52 | 50 | 62 | 82 | 16 | 14 |
| Danny Frisella | CAA | rp | 25 | 4.12 | 4 | 4 | 1 | 67 | 0 | 0 | 0 | 78.2 | 80 | 37 | 36 | 22 | 78 | 6 | 6 |
| Woodie Fryman* | NYY | rp | 31 | 5.13 | 6 | 17 | 27 | 70 | 0 | 0 | 0 | 79.0 | 99 | 50 | 45 | 51 | 47 | 8 | 7 |
| Gene Garber | SDP | rp | 22 | 5.59 | 0 | 1 | 1 | 13 | 0 | 0 | 0 | 29.0 | 41 | 23 | 18 | 9 | 13 | 8 | 9 |
| Rob Gardner* | PHI | rp | 26 | 40.50 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0.2 | 3 | 3 | 3 | 0 | 0 | 1 | 0 |
| Mike Garman | MIL | sp | 21 | 3.68 | 0 | 3 | 0 | 4 | 4 | 0 | 0 | 22.0 | 16 | 12 | 9 | 13 | 10 | 4 | 4 |
| Greg Garrett* | CHW | rp | 22 | 2.12 | 1 | 1 | 1 | 41 | 0 | 0 | 0 | 59.1 | 36 | 16 | 14 | 25 | 57 | 9 | 8 |
| John Gelnar | CHC | rp | 27 | 4.39 | 3 | 0 | 1 | 76 | 0 | 0 | 0 | 110.2 | 132 | 58 | 54 | 34 | 51 | 13 | 17 |
| Gary Gentry | BAL | sp | 24 | 3.19 | 13 | 5 | 2 | 84 | 0 | 0 | 0 | 107.1 | 77 | 42 | 38 | 60 | 90 | 9 | 4 |
| Joe Gibbon* | NYY | rp | 36 | 4.50 | 2 | 3 | 2 | 51 | 0 | 0 | 0 | 44.0 | 38 | 23 | 22 | 15 | 45 | 2 | 5 |
| Bob Gibson | STL | sp | 34 | 2.89 | 19 | 8 | 0 | 34 | 34 | 15 | 4 | 261.1 | 218 | 92 | 84 | 91 | 257 | 13 | 17 |
| Dave Giusti | CHC | rp | 30 | 4.71 | 8 | 7 | 0 | 69 | 9 | 0 | 0 | 122.1 | 130 | 70 | 64 | 46 | 102 | 14 | 5 |
| Fred Gladding | MIL | rp | 35 | 5.75 | 1 | 2 | 0 | 45 | 0 | 0 | 0 | 40.2 | 50 | 27 | 26 | 17 | 15 | 0 | 13 |
| Bill Gogolewski | MON | sp | 23 | 4.00 | 4 | 13 | 0 | 23 | 23 | 2 | 0 | 148.2 | 160 | 82 | 66 | 44 | 96 | 9 | 12 |
| Wayne Granger | BOS | rp | 26 | 2.42 | 14 | 4 | 30 | 67 | 0 | 0 | 0 | 81.2 | 85 | 29 | 22 | 22 | 37 | 5 | 15 |
| Jim Grant | PHI | rp | 34 | 3.94 | 6 | 9 | 28 | 83 | 0 | 0 | 0 | 89.0 | 113 | 47 | 39 | 19 | 36 | 12 | 12 |
| Bill Greif | PHI | rp | 21 | 15.43 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4.2 | 8 | 9 | 8 | 7 | 5 | 0 | 0 |
| Tom Griffin | MIL | sp | 22 | 7.01 | 3 | 22 | 0 | 28 | 28 | 0 | 0 | 136.0 | 152 | 117 | 106 | 101 | 82 | 16 | 9 |
| Ross Grimsley* | LAD | sp | 21 | 3.75 | 8 | 11 | 0 | 30 | 30 | 3 | 1 | 196.2 | 200 | 89 | 82 | 49 | 118 | 30 | 21 |
| Joe Grzenda* | CLE | rp | 34 | 1.29 | 6 | 3 | 14 | 48 | 0 | 0 | 0 | 63.0 | 47 | 12 | 9 | 12 | 49 | 4 | 14 |
| Don Gullett* | NYY | sp | 20 | 4.11 | 12 | 12 | 0 | 32 | 32 | 2 | 0 | 203.2 | 222 | 107 | 93 | 63 | 123 | 19 | 25 |
| Larry Gura* | ATL | rp | 22 | 3.86 | 0 | 1 | 0 | 11 | 0 | 0 | 0 | 11.2 | 11 | 5 | 5 | 10 | 6 | 0 | 3 |
| Dick Hall | CIN | rp | 39 | 4.28 | 4 | 3 | 7 | 36 | 0 | 0 | 0 | 48.1 | 44 | 23 | 23 | 6 | 24 | 8 | 4 |
| Tom Hall* | CHW | rp | 22 | 2.22 | 21 | 6 | 3 | 41 | 24 | 5 | 3 | 194.1 | 116 | 53 | 48 | 70 | 256 | 9 | 1 |
| Roger Hambright | ATL | rp | 22 | 6.00 | 3 | 4 | 1 | 15 | 0 | 0 | 0 | 18.0 | 15 | 12 | 12 | 8 | 12 | 4 | 2 |
| Steve Hamilton* | PHI | rp | 35 | 1.17 | 4 | 2 | 19 | 55 | 0 | 0 | 0 | 54.0 | 40 | 9 | 7 | 18 | 44 | 2 | 7 |
| Rich Hand | NYY | sp | 21 | 3.41 | 9 | 7 | 0 | 30 | 30 | 6 | 1 | 182.0 | 144 | 85 | 69 | 66 | 137 | 21 | 15 |
| Bill Hands | CIN | sp | 30 | 3.95 | 14 | 12 | 0 | 33 | 33 | 8 | 1 | 216.1 | 222 | 104 | 95 | 71 | 138 | 11 | 18 |
| Jim Hannan | SFG | rp | 30 | 3.70 | 3 | 1 | 0 | 55 | 1 | 0 | 0 | 75.1 | 66 | 39 | 31 | 29 | 35 | 13 | 9 |
| Jim Hardin | CLE | sp | 26 | 4.13 | 3 | 0 | 0 | 38 | 0 | 0 | 0 | 52.1 | 64 | 29 | 24 | 10 | 25 | 5 | 4 |
| Steve Hargan | OAK | sp | 27 | 1.77 | 6 | 2 | 38 | 72 | 0 | 0 | 0 | 86.2 | 50 | 17 | 17 | 37 | 40 | 6 | 7 |
| Chuck Hartenstein | HOU | rp | 28 | 6.11 | 5 | 15 | 30 | 73 | 0 | 0 | 0 | 70.2 | 98 | 48 | 48 | 19 | 41 | 17 | 6 |
| Andy Hassler* | SDP | sp | 19 | 10.50 | 0 | 4 | 0 | 7 | 5 | 0 | 0 | 24.0 | 44 | 29 | 28 | 22 | 23 | 2 | 3 |
| Hal Haydel | KCR | rp | 26 | 6.98 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 19.1 | 26 | 17 | 15 | 12 | 16 | 1 | 1 |
| Mike Hedlund | SDP | sp | 24 | 4.34 | 6 | 19 | 0 | 38 | 36 | 4 | 0 | 232.0 | 235 | 124 | 112 | 107 | 87 | 34 | 33 |
| Phil Hennigan | CAA | rp | 25 | 5.80 | 2 | 1 | 1 | 29 | 0 | 0 | 0 | 40.1 | 42 | 27 | 26 | 27 | 41 | 7 | 5 |
| Ron Herbel | MIL | rp | 32 | 5.20 | 1 | 1 | 0 | 37 | 0 | 0 | 0 | 71.0 | 78 | 45 | 41 | 23 | 31 | 13 | 5 |
| Ron Herbel | BOS | rp | 32 | 3.01 | 4 | 2 | 0 | 15 | 10 | 1 | 0 | 77.2 | 70 | 35 | 26 | 23 | 40 | 11 | 7 |
| Ramon Hernandez* | CAA | rp | 30 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Dennis Higgins | WSH | rp | 30 | 4.05 | 0 | 1 | 0 | 35 | 0 | 0 | 0 | 53.1 | 56 | 29 | 24 | 27 | 59 | 7 | 5 |
| Tom Hilgendorf* | SDP | rp | 28 | 4.67 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 27.0 | 32 | 18 | 14 | 11 | 14 | 2 | 2 |
| John Hiller* | CAA | rp | 27 | 2.00 | 1 | 2 | 0 | 28 | 0 | 0 | 0 | 36.0 | 42 | 11 | 8 | 17 | 36 | 1 | 0 |
| Joe Hoerner* | CHW | rp | 34 | 2.81 | 6 | 5 | 20 | 54 | 0 | 0 | 0 | 57.2 | 42 | 20 | 18 | 23 | 52 | 2 | 3 |
| Ken Holtzman* | PHI | sp | 24 | 4.26 | 16 | 7 | 0 | 40 | 40 | 4 | 2 | 264.0 | 262 | 140 | 125 | 89 | 209 | 27 | 23 |
| Burt Hooton | CHW | sp | 21 | 1.34 | 5 | 0 | 0 | 8 | 3 | 1 | 1 | 33.2 | 12 | 5 | 5 | 17 | 37 | 0 | 2 |
| Joe Horlen | CHW | sp | 33 | 3.50 | 11 | 7 | 0 | 25 | 25 | 4 | 2 | 167.0 | 189 | 73 | 65 | 34 | 107 | 12 | 10 |
| Charlie Hough | SDP | rp | 22 | 6.46 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 23.2 | 28 | 17 | 17 | 11 | 16 | 7 | 1 |
| Tom House* | MIN | rp | 24 | 3.13 | 1 | 2 | 1 | 26 | 0 | 0 | 0 | 23.0 | 29 | 14 | 8 | 8 | 14 | 0 | 3 |
| Al Hrabosky* | CHW | rp | 20 | 20.77 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4.1 | 10 | 10 | 10 | 4 | 2 | 1 | 0 |
| Bob Humphreys | CIN | rp | 34 | 3.55 | 3 | 1 | 8 | 33 | 0 | 0 | 0 | 38.0 | 41 | 16 | 15 | 21 | 23 | 2 | 3 |
| Catfish Hunter | HOU | sp | 25 | 4.01 | 15 | 11 | 0 | 33 | 33 | 7 | 4 | 211.0 | 199 | 107 | 94 | 68 | 153 | 28 | 18 |
| Grant Jackson* | NYM | rp | 28 | 2.81 | 4 | 4 | 7 | 58 | 0 | 0 | 0 | 67.1 | 58 | 23 | 21 | 22 | 41 | 6 | 5 |
| Jerry Janeski | MON | sp | 24 | 5.35 | 5 | 22 | 0 | 35 | 35 | 3 | 0 | 200.1 | 272 | 141 | 119 | 65 | 77 | 28 | 26 |
| Pat Jarvis | PIT | sp | 29 | 2.80 | 16 | 5 | 0 | 32 | 32 | 5 | 2 | 228.1 | 207 | 78 | 71 | 79 | 150 | 15 | 19 |
| Ferguson Jenkins | PHI | sp | 27 | 3.21 | 22 | 9 | 0 | 41 | 41 | 11 | 4 | 286.0 | 259 | 119 | 102 | 43 | 246 | 35 | 13 |
| Tommy John* | CLE | sp | 27 | 3.36 | 20 | 12 | 0 | 39 | 39 | 4 | 1 | 251.2 | 224 | 109 | 94 | 70 | 149 | 18 | 32 |
| Bart Johnson | OAK | rp | 21 | 3.36 | 12 | 8 | 1 | 32 | 22 | 5 | 1 | 171.1 | 127 | 75 | 64 | 100 | 153 | 10 | 20 |
| Bob Johnson | CIN | sp | 27 | 3.29 | 17 | 9 | 0 | 34 | 34 | 6 | 2 | 229.2 | 199 | 91 | 84 | 95 | 226 | 22 | 17 |
| Jerry Johnson | SDP | rp | 27 | 4.87 | 1 | 10 | 4 | 70 | 0 | 0 | 0 | 112.2 | 113 | 69 | 61 | 55 | 89 | 14 | 4 |
| Jim Kaat* | MIN | sp | 32 | 4.11 | 18 | 7 | 0 | 33 | 33 | 5 | 3 | 206.0 | 235 | 111 | 94 | 20 | 126 | 14 | 14 |
| Steve Kealey | MON | rp | 24 | 5.05 | 1 | 3 | 1 | 49 | 0 | 0 | 0 | 76.2 | 91 | 49 | 43 | 20 | 54 | 14 | 1 |
| Mike Kekich* | WSH | sp | 26 | 4.38 | 8 | 13 | 0 | 31 | 30 | 0 | 0 | 160.1 | 168 | 93 | 78 | 79 | 99 | 11 | 13 |
| Dick Kelley* | DET | rp | 31 | 6.33 | 1 | 2 | 3 | 55 | 0 | 0 | 0 | 54.0 | 63 | 39 | 38 | 24 | 46 | 8 | 5 |
| Tom Kelley | MIL | sp | 27 | 6.00 | 3 | 22 | 0 | 31 | 31 | 1 | 1 | 162.0 | 208 | 133 | 108 | 108 | 83 | 13 | 21 |
| Mike Kilkenny* | BOS | rp | 26 | 4.45 | 4 | 4 | 6 | 50 | 0 | 0 | 0 | 60.2 | 54 | 36 | 30 | 36 | 38 | 10 | 6 |
| Clay Kirby | PHI | sp | 23 | 3.87 | 15 | 13 | 0 | 39 | 39 | 6 | 1 | 251.1 | 213 | 127 | 108 | 120 | 239 | 31 | 13 |
| Bruce Kison | MIN | sp | 21 | 6.79 | 2 | 3 | 1 | 50 | 0 | 0 | 0 | 50.1 | 54 | 38 | 38 | 29 | 39 | 10 | 4 |
| Ron Klimkowski | HOU | rp | 26 | 3.70 | 7 | 6 | 3 | 83 | 0 | 0 | 0 | 109.1 | 104 | 56 | 45 | 49 | 36 | 8 | 13 |
| Steve Kline | BOS | sp | 23 | 3.42 | 15 | 5 | 0 | 31 | 31 | 7 | 1 | 210.1 | 231 | 87 | 80 | 40 | 77 | 26 | 29 |
| Darold Knowles* | CLE | rp | 29 | 3.34 | 4 | 3 | 3 | 28 | 1 | 0 | 0 | 32.1 | 37 | 12 | 12 | 12 | 25 | 1 | 3 |
| Cal Koonce | OAK | rp | 29 | 2.95 | 2 | 1 | 1 | 43 | 1 | 0 | 0 | 61.0 | 49 | 20 | 20 | 23 | 36 | 6 | 7 |
| Jerry Koosman* | BAL | sp | 27 | 2.98 | 10 | 10 | 0 | 26 | 26 | 6 | 1 | 175.1 | 150 | 72 | 58 | 53 | 122 | 20 | 14 |
| Lew Krausse | STL | sp | 28 | 5.75 | 6 | 16 | 0 | 33 | 33 | 1 | 0 | 195.2 | 208 | 134 | 125 | 73 | 123 | 32 | 13 |
| Marcel Lachemann | LAD | rp | 29 | 3.05 | 4 | 1 | 2 | 43 | 0 | 0 | 0 | 41.1 | 45 | 15 | 14 | 11 | 35 | 5 | 6 |
| Lerrin LaGrow | KCR | rp | 21 | 9.42 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 14.1 | 24 | 16 | 15 | 7 | 4 | 2 | 0 |
| John Lamb | ATL | rp | 23 | 5.14 | 1 | 3 | 5 | 28 | 0 | 0 | 0 | 35.0 | 38 | 21 | 20 | 18 | 34 | 4 | 1 |
| Ray Lamb | OAK | rp | 26 | 3.30 | 8 | 3 | 3 | 61 | 4 | 0 | 0 | 106.1 | 108 | 40 | 39 | 35 | 62 | 10 | 10 |
| Dave LaRoche* | SFG | rp | 23 | 3.79 | 3 | 4 | 2 | 58 | 0 | 0 | 0 | 73.2 | 72 | 34 | 31 | 26 | 65 | 7 | 4 |
| Fred Lasher | KCR | rp | 28 | 4.01 | 5 | 3 | 0 | 42 | 2 | 0 | 0 | 76.1 | 78 | 42 | 34 | 47 | 57 | 6 | 14 |
| Bill Lee* | CIN | rp | 24 | 4.42 | 7 | 9 | 10 | 35 | 11 | 1 | 1 | 91.2 | 110 | 52 | 45 | 32 | 67 | 9 | 13 |
| Denny Lemaster* | BOS | rp | 32 | 6.34 | 1 | 1 | 2 | 32 | 0 | 0 | 0 | 38.1 | 46 | 33 | 27 | 22 | 20 | 5 | 3 |
| Dave Leonhard | KCR | sp | 30 | 4.83 | 3 | 6 | 0 | 17 | 8 | 1 | 1 | 59.2 | 71 | 39 | 32 | 28 | 24 | 7 | 5 |
| Barry Lersch | PHI | sp | 26 | 4.91 | 5 | 2 | 0 | 19 | 4 | 1 | 1 | 40.1 | 37 | 22 | 22 | 13 | 26 | 6 | 2 |
| Paul Lindblad* | CHW | rp | 29 | 2.58 | 3 | 2 | 5 | 71 | 0 | 0 | 0 | 101.1 | 70 | 33 | 29 | 28 | 67 | 10 | 11 |
| Frank Linzy | CIN | rp | 30 | 2.85 | 1 | 2 | 7 | 56 | 0 | 0 | 0 | 66.1 | 55 | 29 | 21 | 18 | 31 | 5 | 2 |
| Bob Locker | LAD | rp | 33 | 3.36 | 3 | 6 | 2 | 67 | 0 | 0 | 0 | 80.1 | 86 | 33 | 30 | 22 | 61 | 7 | 6 |
| Skip Lockwood | MIN | sp | 24 | 3.88 | 3 | 3 | 0 | 36 | 2 | 0 | 0 | 60.1 | 60 | 28 | 26 | 32 | 27 | 4 | 12 |
| Mickey Lolich* | DET | sp | 30 | 3.10 | 18 | 5 | 0 | 33 | 33 | 10 | 2 | 241.0 | 199 | 88 | 83 | 73 | 232 | 22 | 8 |
| Jim Lonborg | CHW | sp | 29 | 4.14 | 16 | 10 | 0 | 32 | 32 | 4 | 3 | 195.2 | 206 | 104 | 90 | 62 | 132 | 18 | 18 |
| Marcelino Lopez* | MIL | rp | 26 | 3.50 | 1 | 0 | 0 | 27 | 0 | 0 | 0 | 36.0 | 31 | 14 | 14 | 17 | 32 | 1 | 7 |
| Marcelino Lopez* | OAK | rp | 26 | 3.18 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 5.2 | 3 | 2 | 2 | 2 | 7 | 1 | 0 |
| Sparky Lyle* | STL | rp | 26 | 3.41 | 2 | 4 | 1 | 37 | 0 | 0 | 0 | 34.1 | 22 | 16 | 13 | 23 | 27 | 4 | 1 |
| Juan Marichal | SFG | sp | 33 | 4.16 | 16 | 9 | 0 | 33 | 33 | 9 | 1 | 214.1 | 209 | 116 | 99 | 42 | 140 | 27 | 9 |
| Mike Marshall | MIL | rp | 28 | 8.43 | 1 | 17 | 13 | 48 | 0 | 0 | 0 | 52.1 | 81 | 58 | 49 | 31 | 43 | 9 | 6 |
| Jon Matlack* | SDP | sp | 21 | 4.47 | 3 | 4 | 0 | 8 | 7 | 1 | 1 | 44.1 | 41 | 24 | 22 | 39 | 40 | 1 | 4 |
| Rudy May* | MIN | sp | 26 | 3.44 | 18 | 6 | 0 | 35 | 34 | 5 | 3 | 220.0 | 203 | 100 | 84 | 76 | 198 | 19 | 16 |
| Ernie McAnally | LAD | sp | 24 | 4.31 | 9 | 16 | 0 | 34 | 32 | 4 | 1 | 198.1 | 173 | 114 | 95 | 129 | 129 | 25 | 22 |
| Jim McAndrew | ATL | sp | 26 | 7.32 | 5 | 10 | 0 | 34 | 20 | 0 | 0 | 119.1 | 176 | 106 | 97 | 37 | 79 | 18 | 8 |
| Mike McCormick* | KCR | rp | 31 | 5.65 | 4 | 7 | 0 | 13 | 12 | 1 | 0 | 63.2 | 86 | 47 | 40 | 19 | 37 | 11 | 4 |
| Lindy McDaniel | CHC | rp | 34 | 2.26 | 8 | 3 | 17 | 70 | 0 | 0 | 0 | 87.2 | 89 | 26 | 22 | 15 | 72 | 5 | 6 |
| Sam McDowell* | CLE | sp | 27 | 2.87 | 22 | 12 | 0 | 40 | 40 | 10 | 5 | 276.1 | 208 | 98 | 88 | 120 | 291 | 14 | 25 |
| Dan McGinn* | MIL | rp | 26 | 4.91 | 0 | 2 | 1 | 26 | 0 | 0 | 0 | 29.1 | 30 | 18 | 16 | 22 | 20 | 4 | 3 |
| Jim McGlothlin | PHI | sp | 27 | 2.86 | 15 | 4 | 0 | 32 | 28 | 3 | 1 | 176.1 | 159 | 75 | 56 | 61 | 110 | 18 | 22 |
| Tug McGraw* | BOS | rp | 26 | 2.99 | 6 | 4 | 3 | 42 | 9 | 0 | 0 | 105.1 | 85 | 38 | 35 | 39 | 142 | 11 | 10 |
| Denny McLain | NYY | sp | 27 | 7.71 | 1 | 1 | 0 | 46 | 1 | 0 | 0 | 72.1 | 111 | 66 | 62 | 36 | 31 | 16 | 7 |
| Don McMahon | ATL | rp | 40 | 3.08 | 12 | 4 | 17 | 57 | 0 | 0 | 0 | 73.0 | 63 | 27 | 25 | 29 | 56 | 4 | 5 |
| Dave McNally* | BAL | sp | 28 | 2.52 | 13 | 8 | 0 | 33 | 33 | 8 | 5 | 236.0 | 191 | 74 | 66 | 61 | 96 | 15 | 28 |
| Mike McQueen* | DET | rp | 20 | 2.70 | 5 | 1 | 0 | 38 | 0 | 0 | 0 | 60.0 | 49 | 21 | 18 | 22 | 46 | 6 | 8 |
| Norm McRae | ATL | rp | 22 | 7.82 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 12.2 | 17 | 11 | 11 | 16 | 4 | 1 | 3 |
| Jim Merritt* | CHW | sp | 26 | 3.27 | 11 | 10 | 0 | 32 | 32 | 5 | 1 | 206.1 | 205 | 92 | 75 | 40 | 118 | 20 | 20 |
| Andy Messersmith | WSH | sp | 25 | 3.52 | 8 | 12 | 0 | 34 | 34 | 4 | 2 | 212.1 | 194 | 112 | 83 | 103 | 144 | 13 | 14 |
| Pete Mikkelsen | LAD | rp | 30 | 2.73 | 12 | 3 | 23 | 64 | 0 | 0 | 0 | 79.0 | 64 | 28 | 24 | 30 | 47 | 8 | 8 |
| Bob Miller | CIN | rp | 32 | 4.46 | 5 | 1 | 0 | 51 | 0 | 0 | 0 | 82.2 | 89 | 42 | 41 | 37 | 46 | 7 | 13 |
| Steve Mingori* | CHC | rp | 27 | 1.69 | 3 | 2 | 18 | 46 | 0 | 0 | 0 | 48.0 | 25 | 11 | 9 | 18 | 41 | 4 | 2 |
| Joe Moeller | SDP | sp | 27 | 5.15 | 2 | 5 | 0 | 9 | 9 | 2 | 0 | 57.2 | 63 | 38 | 33 | 20 | 24 | 11 | 2 |
| Joe Moeller | DET | sp | 27 | 4.88 | 3 | 5 | 0 | 10 | 10 | 2 | 0 | 59.0 | 69 | 32 | 32 | 15 | 31 | 7 | 3 |
| Aurelio Monteagudo | NYM | rp | 26 | 4.18 | 4 | 1 | 0 | 29 | 0 | 0 | 0 | 32.1 | 29 | 15 | 15 | 11 | 22 | 5 | 4 |
| Monty Montgomery | NYM | sp | 24 | 2.88 | 1 | 1 | 0 | 20 | 0 | 0 | 0 | 25.0 | 19 | 10 | 8 | 7 | 13 | 1 | 1 |
| Balor Moore* | CIN | rp | 19 | 0.00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.1 | 2 | 4 | 0 | 4 | 2 | 0 | 0 |
| Barry Moore* | WSH | sp | 27 | 5.68 | 9 | 7 | 2 | 62 | 4 | 0 | 0 | 82.1 | 94 | 62 | 52 | 33 | 48 | 16 | 10 |
| Bob Moose | ATL | sp | 22 | 3.57 | 9 | 1 | 0 | 40 | 15 | 3 | 0 | 141.0 | 149 | 61 | 56 | 51 | 86 | 10 | 21 |
| Dave Morehead | MON | sp | 27 | 3.72 | 6 | 9 | 0 | 26 | 26 | 2 | 1 | 155.0 | 148 | 71 | 64 | 89 | 78 | 6 | 26 |
| Roger Moret* | NYM | sp | 21 | 4.02 | 2 | 4 | 1 | 20 | 4 | 1 | 0 | 47.0 | 35 | 23 | 21 | 25 | 35 | 4 | 2 |
| John Morris* | SDP | rp | 28 | 4.43 | 3 | 5 | 0 | 21 | 11 | 0 | 0 | 87.1 | 104 | 45 | 43 | 37 | 64 | 5 | 10 |
| Carl Morton | OAK | sp | 26 | 4.55 | 7 | 7 | 2 | 35 | 18 | 3 | 1 | 122.2 | 131 | 72 | 62 | 57 | 84 | 4 | 11 |
| Danny Murphy | SDP | rp | 27 | 4.50 | 1 | 0 | 2 | 15 | 0 | 0 | 0 | 16.0 | 15 | 8 | 8 | 17 | 4 | 0 | 4 |
| Tom Murphy | NYY | sp | 25 | 4.29 | 9 | 14 | 0 | 32 | 32 | 5 | 2 | 203.1 | 202 | 109 | 97 | 89 | 84 | 22 | 25 |
| Mike Nagy | NYY | sp | 22 | 6.14 | 0 | 2 | 0 | 6 | 2 | 0 | 0 | 14.2 | 21 | 14 | 10 | 6 | 5 | 2 | 1 |
| Jim Nash | OAK | sp | 25 | 3.08 | 11 | 7 | 0 | 31 | 30 | 5 | 4 | 189.2 | 179 | 77 | 65 | 80 | 107 | 8 | 14 |
| Gary Neibauer | DET | rp | 26 | 4.32 | 0 | 4 | 0 | 16 | 0 | 0 | 0 | 25.0 | 23 | 15 | 12 | 14 | 6 | 1 | 2 |
| Jim Nelson | MON | sp | 22 | 5.82 | 4 | 3 | 4 | 61 | 0 | 0 | 0 | 82.0 | 104 | 62 | 53 | 47 | 64 | 16 | 14 |
| Roger Nelson | CIN | rp | 27 | 2.62 | 3 | 0 | 7 | 33 | 0 | 0 | 0 | 44.2 | 41 | 16 | 13 | 4 | 38 | 2 | 8 |
| Ray Newman* | ATL | rp | 26 | 2.96 | 3 | 2 | 3 | 51 | 0 | 0 | 0 | 48.2 | 34 | 16 | 16 | 26 | 45 | 4 | 8 |
| Joe Niekro | CHC | sp | 25 | 5.74 | 11 | 17 | 0 | 37 | 37 | 1 | 0 | 210.0 | 263 | 154 | 134 | 75 | 100 | 29 | 15 |
| Phil Niekro | ATL | sp | 32 | 3.96 | 13 | 5 | 0 | 34 | 34 | 4 | 0 | 238.2 | 223 | 114 | 105 | 80 | 161 | 27 | 28 |
| Gary Nolan | HOU | sp | 23 | 4.06 | 14 | 10 | 0 | 32 | 32 | 3 | 2 | 206.1 | 189 | 106 | 93 | 55 | 123 | 23 | 11 |
| Fred Norman* | PIT | sp | 28 | 3.49 | 1 | 3 | 2 | 26 | 0 | 0 | 0 | 28.1 | 29 | 14 | 11 | 13 | 27 | 2 | 1 |
| Rich Nye* | CAA | rp | 25 | 0.00 | 1 | 0 | 0 | 7 | 0 | 0 | 0 | 7.1 | 4 | 0 | 0 | 0 | 6 | 0 | 0 |
| Bob O'Brien* | CIN | rp | 22 | 7.31 | 1 | 1 | 0 | 3 | 3 | 0 | 0 | 16.0 | 21 | 14 | 13 | 4 | 8 | 1 | 1 |
| Bob O'Brien* | HOU | rp | 22 | 18.00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.0 | 4 | 4 | 4 | 2 | 2 | 0 | 1 |
| John O'Donoghue* | HOU | rp | 30 | 5.26 | 3 | 6 | 3 | 46 | 0 | 0 | 0 | 49.2 | 55 | 31 | 29 | 21 | 29 | 8 | 3 |
| Blue Moon Odom | NYM | sp | 25 | 4.83 | 10 | 9 | 0 | 33 | 33 | 4 | 2 | 188.1 | 156 | 117 | 101 | 148 | 117 | 20 | 18 |
| Claude Osteen* | BAL | sp | 31 | 4.08 | 8 | 9 | 0 | 32 | 32 | 3 | 0 | 203.0 | 210 | 100 | 92 | 56 | 109 | 20 | 26 |
| Jim Palmer | BAL | sp | 24 | 3.41 | 13 | 15 | 0 | 33 | 33 | 6 | 1 | 237.1 | 228 | 101 | 90 | 65 | 147 | 17 | 10 |
| Lowell Palmer | BOS | rp | 22 | 5.23 | 2 | 6 | 0 | 21 | 18 | 0 | 0 | 105.0 | 121 | 71 | 61 | 59 | 78 | 18 | 13 |
| Milt Pappas | BAL | sp | 32 | 3.64 | 8 | 11 | 0 | 32 | 32 | 3 | 2 | 205.0 | 209 | 99 | 83 | 58 | 101 | 24 | 12 |
| Harry Parker | PHI | sp | 22 | 5.79 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 18.2 | 23 | 14 | 12 | 14 | 7 | 1 | 1 |
| Bill Parsons | CHC | sp | 22 | 5.77 | 10 | 19 | 0 | 37 | 37 | 2 | 1 | 213.2 | 241 | 155 | 137 | 94 | 137 | 31 | 23 |
| Daryl Patterson | SDP | rp | 26 | 4.24 | 0 | 0 | 1 | 12 | 0 | 0 | 0 | 17.0 | 18 | 10 | 8 | 10 | 16 | 1 | 0 |
| Marty Pattin | CHW | sp | 27 | 3.81 | 11 | 11 | 5 | 45 | 28 | 9 | 2 | 210.0 | 202 | 101 | 89 | 54 | 146 | 20 | 14 |
| Mike Paul* | DET | sp | 26 | 6.15 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | 41.0 | 69 | 30 | 28 | 12 | 22 | 7 | 10 |
| Jose Pena | CAA | rp | 28 | 5.73 | 0 | 1 | 0 | 29 | 0 | 0 | 0 | 44.0 | 39 | 31 | 28 | 28 | 44 | 7 | 1 |
| Orlando Pena | DET | rp | 36 | 5.44 | 10 | 4 | 9 | 50 | 0 | 0 | 0 | 43.0 | 50 | 27 | 26 | 10 | 23 | 10 | 4 |
| Ron Perranoski* | CAA | rp | 34 | 3.05 | 5 | 12 | 30 | 59 | 0 | 0 | 0 | 82.2 | 94 | 37 | 28 | 31 | 32 | 2 | 19 |
| Gaylord Perry | SFG | sp | 31 | 3.76 | 15 | 9 | 0 | 33 | 33 | 8 | 1 | 234.2 | 226 | 111 | 98 | 73 | 158 | 22 | 28 |
| Jim Perry | CLE | sp | 34 | 3.44 | 17 | 11 | 0 | 40 | 40 | 9 | 4 | 279.2 | 267 | 110 | 107 | 51 | 159 | 24 | 18 |
| Gary Peters* | PIT | sp | 33 | 4.02 | 12 | 11 | 0 | 32 | 32 | 4 | 1 | 203.2 | 235 | 110 | 91 | 55 | 188 | 17 | 8 |
| Fritz Peterson* | NYY | sp | 28 | 2.51 | 14 | 6 | 0 | 32 | 32 | 9 | 2 | 229.2 | 228 | 75 | 64 | 20 | 127 | 18 | 17 |
| Tom Phoebus | OAK | sp | 28 | 4.14 | 5 | 5 | 2 | 63 | 0 | 0 | 0 | 67.1 | 62 | 34 | 31 | 36 | 33 | 5 | 4 |
| Horacio Pina | MIL | rp | 25 | 4.64 | 0 | 1 | 0 | 16 | 0 | 0 | 0 | 21.1 | 20 | 16 | 11 | 13 | 11 | 1 | 2 |
| Skip Pitlock* | MON | sp | 22 | 6.02 | 4 | 3 | 2 | 67 | 0 | 0 | 0 | 95.2 | 91 | 64 | 64 | 50 | 75 | 15 | 9 |
| Juan Pizarro* | STL | sp | 34 | 2.85 | 6 | 1 | 0 | 32 | 3 | 1 | 0 | 75.2 | 47 | 27 | 24 | 27 | 56 | 9 | 1 |
| Bob Priddy | KCR | rp | 30 | 5.50 | 0 | 1 | 0 | 21 | 0 | 0 | 0 | 37.2 | 49 | 27 | 23 | 25 | 14 | 1 | 1 |
| Mel Queen | CIN | rp | 29 | 5.14 | 2 | 1 | 0 | 28 | 0 | 0 | 0 | 42.0 | 52 | 30 | 24 | 21 | 27 | 2 | 3 |
| Mel Queen | PIT | rp | 29 | 4.24 | 0 | 0 | 1 | 18 | 0 | 0 | 0 | 17.0 | 15 | 10 | 8 | 8 | 17 | 0 | 1 |
| Jim Ray | PHI | rp | 26 | 4.15 | 4 | 6 | 0 | 63 | 0 | 0 | 0 | 69.1 | 63 | 33 | 32 | 28 | 45 | 6 | 6 |
| Claude Raymond | KCR | rp | 33 | 2.16 | 3 | 1 | 13 | 66 | 0 | 0 | 0 | 87.1 | 72 | 30 | 21 | 23 | 77 | 10 | 4 |
| Frank Reberger | BOS | sp | 27 | 4.09 | 4 | 0 | 0 | 20 | 5 | 0 | 0 | 55.0 | 45 | 28 | 25 | 31 | 31 | 6 | 6 |
| Bob Reed | WSH | rp | 25 | 4.03 | 2 | 0 | 3 | 39 | 0 | 0 | 0 | 60.1 | 71 | 28 | 27 | 21 | 30 | 3 | 12 |
| Howie Reed | WSH | rp | 33 | 6.47 | 6 | 12 | 21 | 59 | 0 | 0 | 0 | 72.1 | 86 | 57 | 52 | 42 | 32 | 5 | 11 |
| Ron Reed | BAL | sp | 28 | 3.20 | 4 | 2 | 0 | 38 | 1 | 0 | 0 | 70.1 | 65 | 30 | 25 | 18 | 45 | 7 | 2 |
| Phil Regan | LAD | rp | 33 | 3.09 | 1 | 0 | 0 | 44 | 0 | 0 | 0 | 70.0 | 73 | 26 | 24 | 21 | 22 | 5 | 10 |
| Steve Renko | KCR | sp | 26 | 4.75 | 8 | 19 | 0 | 37 | 36 | 4 | 0 | 231.1 | 225 | 148 | 122 | 127 | 116 | 23 | 14 |
| Jerry Reuss* | STL | sp | 21 | 5.11 | 2 | 1 | 1 | 18 | 0 | 0 | 0 | 24.2 | 33 | 14 | 14 | 9 | 18 | 2 | 5 |
| Bob Reynolds | PHI | rp | 24 | 67.50 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0.2 | 4 | 5 | 5 | 1 | 1 | 1 | 0 |
| Ken Reynolds* | WSH | sp | 24 | 4.14 | 6 | 15 | 0 | 30 | 30 | 3 | 2 | 184.2 | 162 | 106 | 85 | 96 | 99 | 14 | 27 |
| J.R. Richard | ATL | sp | 21 | 5.11 | 4 | 3 | 4 | 23 | 0 | 0 | 0 | 24.2 | 23 | 15 | 14 | 29 | 34 | 2 | 1 |
| Pete Richert* | CAA | rp | 30 | 3.46 | 2 | 1 | 1 | 33 | 0 | 0 | 0 | 39.0 | 26 | 17 | 15 | 17 | 47 | 5 | 1 |
| Denny Riddleberger* | LAD | rp | 25 | 4.53 | 2 | 3 | 4 | 56 | 0 | 0 | 0 | 59.2 | 58 | 31 | 30 | 24 | 51 | 8 | 5 |
| Dave Roberts* | DET | sp | 26 | 2.80 | 13 | 7 | 0 | 32 | 32 | 8 | 3 | 228.0 | 222 | 79 | 71 | 60 | 150 | 15 | 31 |
| Rich Robertson | CHC | sp | 25 | 6.72 | 5 | 14 | 0 | 35 | 31 | 1 | 0 | 156.2 | 198 | 137 | 117 | 98 | 107 | 28 | 13 |
| Jim Roland* | DET | rp | 28 | 3.49 | 4 | 5 | 14 | 54 | 0 | 0 | 0 | 56.2 | 41 | 28 | 22 | 21 | 30 | 6 | 6 |
| Vicente Romo | PIT | rp | 28 | 3.31 | 3 | 3 | 2 | 28 | 0 | 0 | 0 | 35.1 | 31 | 15 | 13 | 18 | 25 | 3 | 1 |
| Jim Rooker* | CAA | sp | 27 | 4.19 | 10 | 15 | 0 | 32 | 32 | 5 | 1 | 191.1 | 188 | 112 | 89 | 114 | 124 | 12 | 17 |
| Gary Ross | KCR | rp | 22 | 6.72 | 1 | 4 | 0 | 39 | 2 | 0 | 0 | 75.0 | 100 | 62 | 56 | 36 | 32 | 13 | 17 |
| Nolan Ryan | STL | sp | 23 | 3.20 | 9 | 8 | 0 | 26 | 26 | 1 | 0 | 163.0 | 110 | 76 | 58 | 137 | 151 | 11 | 12 |
| Ray Sadecki* | STL | sp | 30 | 2.79 | 15 | 5 | 0 | 29 | 29 | 4 | 3 | 200.0 | 178 | 71 | 62 | 64 | 168 | 20 | 8 |
| Ken Sanders | STL | rp | 29 | 3.00 | 9 | 7 | 36 | 75 | 0 | 0 | 0 | 96.0 | 87 | 36 | 32 | 31 | 56 | 12 | 12 |
| Al Santorini | LAD | sp | 22 | 4.74 | 4 | 0 | 0 | 51 | 3 | 0 | 0 | 98.2 | 106 | 57 | 52 | 61 | 45 | 16 | 16 |
| Fred Scherman* | SDP | rp | 26 | 4.16 | 4 | 17 | 9 | 67 | 7 | 2 | 0 | 134.0 | 142 | 73 | 62 | 65 | 59 | 13 | 20 |
| Tom Seaver | NYM | sp | 26 | 4.15 | 10 | 12 | 0 | 38 | 38 | 5 | 1 | 255.2 | 255 | 128 | 118 | 86 | 257 | 27 | 14 |
| Chuck Seelbach | CLE | rp | 23 | 12.00 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 6.0 | 11 | 8 | 8 | 9 | 2 | 4 | 3 |
| Diego Segui | SFG | rp | 32 | 4.26 | 4 | 5 | 0 | 61 | 4 | 2 | 0 | 99.1 | 88 | 54 | 47 | 55 | 48 | 8 | 12 |
| Dick Selma | PIT | rp | 26 | 2.88 | 4 | 3 | 3 | 91 | 0 | 0 | 0 | 122.0 | 96 | 47 | 39 | 64 | 128 | 11 | 14 |
| Al Severinsen | NYM | rp | 26 | 5.16 | 4 | 2 | 1 | 52 | 0 | 0 | 0 | 68.0 | 78 | 40 | 39 | 33 | 28 | 4 | 10 |
| Don Shaw* | NYY | rp | 27 | 1.86 | 3 | 1 | 1 | 23 | 0 | 0 | 0 | 19.1 | 18 | 4 | 4 | 12 | 9 | 0 | 1 |
| Jim Shellenback* | SDP | rp | 26 | 4.07 | 4 | 8 | 0 | 36 | 17 | 0 | 0 | 150.1 | 152 | 73 | 68 | 62 | 70 | 11 | 26 |
| Chris Short* | OAK | sp | 32 | 3.17 | 16 | 11 | 0 | 32 | 31 | 5 | 3 | 213.0 | 194 | 89 | 75 | 69 | 158 | 20 | 10 |
| Sonny Siebert | LAD | sp | 34 | 5.23 | 6 | 18 | 0 | 30 | 30 | 4 | 0 | 184.0 | 201 | 117 | 107 | 56 | 113 | 23 | 15 |
| Wayne Simpson | PIT | sp | 21 | 3.97 | 9 | 13 | 0 | 27 | 27 | 3 | 1 | 165.2 | 129 | 88 | 73 | 86 | 111 | 23 | 23 |
| Bill Singer | CLE | sp | 26 | 2.45 | 4 | 3 | 3 | 42 | 2 | 1 | 0 | 73.1 | 46 | 20 | 20 | 25 | 68 | 12 | 1 |
| Jim Slaton | HOU | sp | 21 | 4.56 | 9 | 14 | 0 | 29 | 29 | 4 | 1 | 179.2 | 188 | 101 | 91 | 82 | 87 | 31 | 27 |
| Scipio Spinks | CIN | sp | 23 | 0.00 | 2 | 1 | 0 | 5 | 3 | 1 | 1 | 26.0 | 16 | 4 | 0 | 10 | 27 | 0 | 4 |
| Paul Splittorff* | CAA | sp | 24 | 3.03 | 12 | 8 | 0 | 26 | 26 | 7 | 3 | 184.0 | 161 | 68 | 62 | 39 | 122 | 13 | 21 |
| Ed Sprague | HOU | rp | 25 | 3.21 | 0 | 3 | 3 | 13 | 0 | 0 | 0 | 14.0 | 17 | 5 | 5 | 5 | 9 | 0 | 0 |
| George Stone* | WSH | sp | 23 | 3.49 | 7 | 14 | 0 | 33 | 33 | 4 | 2 | 216.2 | 233 | 114 | 84 | 42 | 172 | 17 | 12 |
| Steve Stone | SDP | sp | 23 | 7.45 | 2 | 17 | 0 | 26 | 22 | 0 | 0 | 125.2 | 167 | 121 | 104 | 76 | 91 | 20 | 12 |
| Bill Stoneman | CIN | sp | 27 | 6.11 | 10 | 15 | 0 | 30 | 30 | 4 | 1 | 165.0 | 161 | 127 | 112 | 111 | 147 | 19 | 11 |
| Mel Stottlemyre | NYY | sp | 29 | 4.03 | 11 | 14 | 0 | 33 | 33 | 4 | 2 | 209.2 | 229 | 114 | 94 | 48 | 87 | 14 | 23 |
| Mike Strahler | HOU | rp | 23 | 1.56 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 17.1 | 7 | 3 | 3 | 8 | 8 | 1 | 3 |
| Jim Strickland* | MIN | rp | 25 | 4.72 | 2 | 5 | 0 | 45 | 0 | 0 | 0 | 40.0 | 28 | 22 | 21 | 21 | 32 | 4 | 5 |
| John Strohmayer | SDP | sp | 24 | 4.68 | 6 | 12 | 0 | 25 | 20 | 4 | 2 | 140.1 | 165 | 83 | 73 | 47 | 67 | 16 | 20 |
| Don Sutton | LAD | sp | 26 | 2.87 | 8 | 16 | 0 | 33 | 33 | 6 | 1 | 232.1 | 206 | 93 | 74 | 60 | 208 | 15 | 12 |
| Ken Tatum | CHC | rp | 26 | 5.44 | 6 | 3 | 3 | 76 | 0 | 0 | 0 | 96.0 | 102 | 67 | 58 | 35 | 49 | 17 | 4 |
| Chuck Taylor | STL | rp | 28 | 1.81 | 7 | 4 | 5 | 70 | 0 | 0 | 0 | 79.2 | 60 | 19 | 16 | 18 | 46 | 3 | 10 |
| Ron Taylor | NYY | rp | 33 | 5.74 | 4 | 4 | 1 | 62 | 0 | 0 | 0 | 58.0 | 84 | 38 | 37 | 4 | 24 | 7 | 4 |
| Mike Thompson | CIN | sp | 21 | 5.03 | 3 | 0 | 0 | 8 | 8 | 1 | 0 | 48.1 | 37 | 28 | 27 | 39 | 27 | 4 | 4 |
| Mike Thompson | MON | sp | 21 | 5.91 | 2 | 4 | 0 | 9 | 8 | 0 | 0 | 45.2 | 56 | 31 | 30 | 29 | 27 | 5 | 7 |
| Luis Tiant | CLE | sp | 29 | 8.20 | 0 | 1 | 0 | 20 | 1 | 0 | 0 | 37.1 | 47 | 38 | 34 | 22 | 16 | 9 | 1 |
| Tom Timmermann | MIN | rp | 30 | 3.69 | 4 | 2 | 9 | 76 | 0 | 0 | 0 | 107.1 | 122 | 55 | 44 | 33 | 61 | 0 | 9 |
| Ron Tompkins | CIN | rp | 26 | 5.14 | 1 | 3 | 0 | 11 | 0 | 0 | 0 | 14.0 | 12 | 10 | 8 | 5 | 5 | 1 | 2 |
| Ron Tompkins | MON | rp | 26 | 6.30 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 10.0 | 16 | 9 | 7 | 5 | 5 | 2 | 1 |
| Mike Torrez | CHW | sp | 23 | 6.75 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 10.2 | 12 | 9 | 8 | 11 | 6 | 2 | 0 |
| Wayne Twitchell | OAK | rp | 23 | 2.30 | 1 | 2 | 2 | 10 | 0 | 0 | 0 | 15.2 | 4 | 5 | 4 | 17 | 13 | 0 | 2 |
| Cecil Upshaw | NYM | rp | 28 | 4.35 | 0 | 1 | 0 | 40 | 0 | 0 | 0 | 68.1 | 84 | 36 | 33 | 21 | 43 | 9 | 8 |
| Sandy Vance | WSH | sp | 23 | 5.68 | 5 | 15 | 0 | 24 | 24 | 2 | 1 | 133.0 | 173 | 104 | 84 | 38 | 51 | 14 | 11 |
| Bob Veale* | MIN | sp | 34 | 4.68 | 7 | 9 | 0 | 36 | 19 | 2 | 1 | 142.1 | 134 | 85 | 74 | 70 | 157 | 12 | 8 |
| Gary Wagner | NYY | rp | 30 | 13.50 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1.1 | 3 | 2 | 2 | 2 | 0 | 0 | 1 |
| Luke Walker* | DET | rp | 26 | 2.29 | 1 | 5 | 1 | 88 | 0 | 0 | 0 | 106.1 | 80 | 29 | 27 | 45 | 72 | 3 | 15 |
| Ray Washburn | SDP | rp | 32 | 6.14 | 0 | 3 | 0 | 5 | 5 | 0 | 0 | 22.0 | 35 | 26 | 15 | 15 | 17 | 1 | 2 |
| Gary Waslewski | CAA | sp | 28 | 4.65 | 0 | 1 | 0 | 21 | 0 | 0 | 0 | 31.0 | 31 | 20 | 16 | 13 | 23 | 3 | 1 |
| Eddie Watt | MIN | rp | 30 | 3.66 | 4 | 1 | 1 | 54 | 0 | 0 | 0 | 46.2 | 61 | 23 | 19 | 14 | 31 | 3 | 8 |
| Floyd Weaver | CHC | rp | 29 | 5.30 | 1 | 4 | 0 | 9 | 6 | 1 | 1 | 37.1 | 34 | 23 | 22 | 14 | 23 | 6 | 4 |
| Mike Wegener | CHC | sp | 23 | 4.79 | 6 | 3 | 1 | 33 | 12 | 1 | 0 | 99.2 | 106 | 56 | 53 | 55 | 32 | 9 | 17 |
| Fred Wenz | CAA | rp | 28 | 2.70 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 3.1 | 2 | 1 | 1 | 0 | 3 | 0 | 0 |
| Milt Wilcox | PHI | rp | 21 | 8.53 | 0 | 3 | 1 | 11 | 0 | 0 | 0 | 6.1 | 11 | 6 | 6 | 7 | 6 | 1 | 1 |
| Hoyt Wilhelm | SFG | rp | 46 | 7.36 | 5 | 9 | 6 | 52 | 0 | 0 | 0 | 58.2 | 77 | 51 | 48 | 23 | 46 | 18 | 4 |
| Charlie Williams | WSH | rp | 23 | 4.96 | 0 | 3 | 0 | 31 | 0 | 0 | 0 | 45.1 | 60 | 36 | 25 | 27 | 36 | 1 | 4 |
| Stan Williams | BAL | rp | 33 | 1.80 | 12 | 8 | 41 | 82 | 0 | 0 | 0 | 95.0 | 78 | 22 | 19 | 30 | 69 | 5 | 5 |
| Ron Willis | BOS | rp | 26 | 4.15 | 5 | 0 | 0 | 43 | 0 | 0 | 0 | 69.1 | 66 | 33 | 32 | 24 | 21 | 6 | 13 |
| Jim Willoughby | SFG | sp | 22 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.1 | 1 | 1 | 0 | 3 | 1 | 0 | 0 |
| Bill Wilson | PIT | rp | 28 | 2.22 | 4 | 6 | 27 | 57 | 0 | 0 | 0 | 65.0 | 46 | 19 | 16 | 24 | 52 | 8 | 6 |
| Don Wilson | NYM | sp | 26 | 3.67 | 15 | 15 | 0 | 38 | 38 | 6 | 2 | 259.2 | 231 | 118 | 106 | 87 | 166 | 29 | 18 |
| Earl Wilson | BOS | sp | 35 | 4.10 | 8 | 8 | 0 | 23 | 23 | 4 | 0 | 149.1 | 153 | 72 | 68 | 40 | 103 | 19 | 18 |
| Rick Wise | PIT | sp | 25 | 3.45 | 14 | 11 | 0 | 33 | 33 | 8 | 4 | 222.0 | 218 | 101 | 85 | 75 | 137 | 15 | 24 |
| Wilbur Wood* | MIN | sp | 29 | 3.10 | 17 | 9 | 0 | 37 | 37 | 8 | 3 | 255.2 | 239 | 103 | 88 | 48 | 195 | 15 | 17 |
| Dick Woodson | PHI | rp | 25 | 5.81 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 26.1 | 19 | 18 | 17 | 11 | 16 | 5 | 1 |
| Clyde Wright* | CAA | sp | 30 | 2.67 | 16 | 9 | 0 | 32 | 32 | 7 | 4 | 225.2 | 208 | 84 | 67 | 67 | 145 | 14 | 22 |
| Ken Wright | MON | sp | 24 | 4.34 | 2 | 6 | 3 | 41 | 5 | 1 | 1 | 87.0 | 78 | 44 | 42 | 63 | 67 | 8 | 13 |
| Jim York | WSH | rp | 23 | 2.54 | 7 | 5 | 3 | 91 | 0 | 0 | 0 | 120.1 | 84 | 37 | 34 | 50 | 140 | 8 | 4 |
| Chris Zachary | NYY | sp | 27 | 5.91 | 0 | 2 | 1 | 52 | 0 | 0 | 0 | 91.1 | 143 | 65 | 60 | 26 | 52 | 6 | 10 |
| Bill Zepp | PIT | rp | 23 | 2.63 | 2 | 2 | 0 | 43 | 0 | 0 | 0 | 65.0 | 64 | 22 | 19 | 33 | 26 | 2 | 22 |
| Secondary |
| Name | Team | P | Age | SB | CS | IW | HBP | WP | BK | SH | SF | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | WHIP |
| Ted Abernathy | STL | rp | 38 | 3 | 0 | 2 | 4 | 1 | 0 | 4 | 2 | 7.9 | 4.5 | 13.0 | 6.3 | 1.2 | 1.4 | 1.38 |
| Ed Acosta | NYM | sp | 27 | 4 | 1 | 7 | 2 | 2 | 0 | 1 | 0 | 10.3 | 2.4 | 13.0 | 2.4 | 1.0 | 1.0 | 1.41 |
| Jack Aker | MIL | rp | 29 | 10 | 3 | 1 | 2 | 1 | 0 | 1 | 5 | 9.2 | 2.5 | 12.0 | 4.5 | 0.4 | 1.8 | 1.30 |
| Doyle Alexander | PHI | sp | 20 | 1 | 3 | 6 | 0 | 1 | 0 | 4 | 5 | 11.3 | 3.1 | 14.4 | 3.1 | 1.0 | 1.0 | 1.60 |
| Lloyd Allen | PIT | rp | 21 | 0 | 2 | 3 | 1 | 2 | 0 | 2 | 2 | 8.1 | 3.6 | 11.9 | 5.7 | 0.0 | 1.6 | 1.30 |
| Steve Arlin | CIN | sp | 25 | 10 | 6 | 4 | 7 | 5 | 2 | 11 | 4 | 8.5 | 4.1 | 12.8 | 6.5 | 0.4 | 1.6 | 1.39 |
| Rick Austin* | LAD | rp | 23 | 3 | 0 | 5 | 3 | 2 | 0 | 1 | 2 | 11.0 | 3.5 | 15.3 | 7.7 | 1.9 | 2.2 | 1.62 |
| Stan Bahnsen | HOU | sp | 26 | 10 | 9 | 1 | 2 | 11 | 0 | 10 | 10 | 9.2 | 3.0 | 12.3 | 4.5 | 0.9 | 1.5 | 1.35 |
| Dave Baldwin | NYM | rp | 32 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 8.8 | 6.2 | 14.9 | 5.0 | 2.4 | 0.8 | 1.66 |
| Mark Ballinger | ATL | rp | 22 | 2 | 0 | 2 | 1 | 6 | 0 | 1 | 1 | 9.7 | 5.3 | 15.3 | 6.9 | 1.3 | 1.3 | 1.67 |
| Steve Barber* | BAL | rp | 32 | 8 | 0 | 4 | 6 | 17 | 0 | 6 | 4 | 9.9 | 1.9 | 12.3 | 5.5 | 0.5 | 2.9 | 1.31 |
| Jim Barr | OAK | rp | 23 | 2 | 1 | 1 | 1 | 0 | 0 | 3 | 0 | 9.7 | 2.7 | 12.7 | 5.1 | 1.9 | 1.9 | 1.38 |
| Fred Beene | CAA | rp | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12.5 | 1.9 | 14.5 | 7.7 | 2.9 | 4.0 | 1.61 |
| Jerry Bell | NYM | rp | 23 | 0 | 1 | 2 | 0 | 2 | 0 | 1 | 1 | 5.2 | 4.4 | 9.6 | 6.5 | 0.0 | 1.5 | 1.06 |
| Frank Bertaina* | BOS | sp | 26 | 1 | 2 | 2 | 0 | 2 | 0 | 2 | 0 | 14.0 | 4.7 | 18.6 | 4.7 | 0.0 | 1.0 | 2.07 |
| Jack Billingham | CAA | sp | 28 | 7 | 8 | 3 | 8 | 7 | 1 | 12 | 6 | 10.6 | 3.1 | 14.2 | 5.3 | 0.4 | 1.7 | 1.52 |
| Wade Blasingame* | MIL | sp | 27 | 25 | 5 | 9 | 13 | 14 | 0 | 11 | 7 | 11.4 | 2.8 | 14.9 | 5.8 | 0.9 | 2.1 | 1.58 |
| Steve Blass | ATL | sp | 29 | 5 | 6 | 1 | 1 | 2 | 0 | 8 | 2 | 9.9 | 2.9 | 12.9 | 5.7 | 0.9 | 1.9 | 1.42 |
| Vida Blue* | MIL | sp | 21 | 13 | 8 | 4 | 4 | 7 | 2 | 12 | 4 | 7.9 | 2.5 | 10.5 | 9.7 | 0.8 | 3.9 | 1.15 |
| Bert Blyleven | MIN | sp | 20 | 18 | 8 | 2 | 7 | 3 | 0 | 12 | 6 | 9.2 | 2.1 | 11.6 | 7.4 | 0.9 | 3.5 | 1.26 |
| Bobby Bolin | NYY | rp | 32 | 2 | 0 | 3 | 1 | 3 | 0 | 0 | 2 | 9.9 | 4.1 | 14.3 | 5.0 | 1.4 | 1.2 | 1.56 |
| Pedro Borbon | SFG | rp | 23 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 22.1 | 19.6 | 44.2 | 2.5 | 0.0 | 0.1 | 4.64 |
| Dick Bosman | ATL | sp | 26 | 4 | 5 | 1 | 3 | 3 | 0 | 10 | 5 | 10.7 | 3.3 | 14.1 | 5.3 | 1.0 | 1.6 | 1.55 |
| Dave Boswell | PIT | sp | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 6.1 | 12.3 | 6.1 | 0.0 | 1.0 | 1.36 |
| Jim Bouton | KCR | rp | 31 | 12 | 1 | 0 | 0 | 2 | 0 | 4 | 3 | 12.2 | 3.8 | 15.9 | 6.6 | 0.7 | 1.7 | 1.77 |
| Gene Brabender | CHW | sp | 28 | 10 | 2 | 3 | 1 | 3 | 0 | 3 | 3 | 8.1 | 4.4 | 12.6 | 5.3 | 0.6 | 1.2 | 1.39 |
| Tom Bradley | CLE | sp | 24 | 22 | 12 | 8 | 6 | 4 | 1 | 11 | 6 | 7.9 | 2.1 | 10.2 | 6.4 | 0.4 | 3.0 | 1.11 |
| Bucky Brandon | MIL | rp | 30 | 4 | 2 | 8 | 2 | 5 | 0 | 3 | 3 | 11.9 | 5.9 | 18.0 | 6.2 | 0.6 | 1.1 | 1.97 |
| Ken Brett* | CHW | rp | 21 | 11 | 3 | 4 | 2 | 2 | 0 | 4 | 1 | 5.6 | 3.8 | 9.6 | 10.2 | 0.8 | 2.7 | 1.05 |
| Jim Brewer* | SFG | rp | 33 | 6 | 0 | 2 | 2 | 5 | 0 | 3 | 3 | 6.2 | 2.7 | 9.2 | 7.9 | 0.7 | 2.9 | 0.99 |
| Nelson Briles | NYM | rp | 27 | 8 | 3 | 3 | 2 | 2 | 0 | 9 | 2 | 9.1 | 1.7 | 10.9 | 5.2 | 0.7 | 3.0 | 1.20 |
| Pete Broberg | ATL | sp | 21 | 9 | 3 | 3 | 3 | 7 | 2 | 10 | 4 | 10.0 | 5.2 | 15.6 | 7.2 | 1.2 | 1.4 | 1.69 |
| Jackie Brown | KCR | rp | 27 | 3 | 2 | 10 | 1 | 5 | 0 | 6 | 2 | 7.6 | 6.8 | 14.5 | 7.2 | 1.4 | 1.1 | 1.60 |
| George Brunet* | SFG | sp | 35 | 6 | 5 | 5 | 1 | 1 | 0 | 13 | 3 | 9.0 | 3.5 | 12.6 | 5.4 | 1.0 | 1.6 | 1.39 |
| Ron Bryant* | BOS | sp | 23 | 10 | 5 | 2 | 4 | 2 | 1 | 6 | 6 | 9.4 | 3.2 | 12.8 | 5.7 | 1.0 | 1.8 | 1.40 |
| Wally Bunker | HOU | sp | 25 | 5 | 1 | 5 | 1 | 5 | 2 | 3 | 8 | 8.5 | 3.7 | 12.2 | 4.1 | 1.2 | 1.1 | 1.35 |
| Jim Bunning | DET | sp | 38 | 15 | 1 | 3 | 3 | 0 | 0 | 10 | 9 | 9.6 | 2.5 | 12.3 | 6.6 | 0.8 | 2.6 | 1.35 |
| Tom Burgmeier* | MIN | rp | 27 | 4 | 2 | 4 | 7 | 1 | 0 | 2 | 5 | 9.8 | 2.6 | 13.2 | 4.4 | 0.6 | 1.7 | 1.38 |
| Bill Butler* | LAD | sp | 23 | 14 | 5 | 1 | 2 | 3 | 0 | 7 | 3 | 8.8 | 4.8 | 13.7 | 5.1 | 1.1 | 1.1 | 1.51 |
| Les Cain* | KCR | sp | 22 | 46 | 8 | 6 | 6 | 4 | 2 | 16 | 7 | 10.2 | 5.3 | 15.7 | 8.4 | 0.6 | 1.6 | 1.71 |
| Fred Cambria | CIN | sp | 22 | 2 | 1 | 0 | 2 | 0 | 0 | 1 | 2 | 8.8 | 4.4 | 13.8 | 3.4 | 2.1 | 0.8 | 1.47 |
| Sal Campisi | MON | rp | 27 | 0 | 4 | 2 | 1 | 8 | 2 | 4 | 3 | 10.7 | 5.6 | 16.5 | 3.5 | 0.7 | 0.6 | 1.81 |
| Buzz Capra | CLE | rp | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.8 | 1.8 | 12.6 | 0.0 | 0.0 | 0.0 | 1.40 |
| Steve Carlton* | STL | sp | 26 | 7 | 2 | 11 | 10 | 16 | 0 | 11 | 5 | 8.0 | 3.5 | 11.8 | 6.0 | 0.8 | 1.7 | 1.27 |
| Don Carrithers | KCR | sp | 21 | 12 | 2 | 5 | 4 | 18 | 0 | 3 | 7 | 9.8 | 5.9 | 16.0 | 4.8 | 0.6 | 0.8 | 1.74 |
| Clay Carroll | BOS | rp | 29 | 2 | 1 | 2 | 0 | 0 | 1 | 5 | 2 | 9.0 | 2.4 | 11.4 | 5.0 | 0.1 | 2.1 | 1.27 |
| Bill Champion | MIL | rp | 23 | 5 | 1 | 6 | 6 | 1 | 0 | 3 | 3 | 8.5 | 3.8 | 12.7 | 5.3 | 1.5 | 1.4 | 1.36 |
| Dean Chance | PIT | rp | 29 | 4 | 2 | 5 | 1 | 1 | 0 | 4 | 0 | 9.3 | 3.1 | 12.6 | 6.4 | 0.7 | 2.1 | 1.38 |
| Rickey Clark | KCR | sp | 25 | 12 | 5 | 2 | 2 | 8 | 0 | 2 | 1 | 8.6 | 6.3 | 15.1 | 6.4 | 0.8 | 1.0 | 1.65 |
| Reggie Cleveland | SFG | sp | 23 | 6 | 2 | 6 | 8 | 2 | 0 | 9 | 3 | 9.4 | 1.9 | 11.6 | 7.1 | 1.4 | 3.8 | 1.25 |
| Tony Cloninger | BAL | sp | 29 | 2 | 1 | 2 | 2 | 1 | 0 | 1 | 0 | 7.7 | 5.8 | 13.9 | 2.7 | 0.7 | 0.5 | 1.50 |
| Vince Colbert | MON | rp | 25 | 9 | 7 | 16 | 4 | 5 | 6 | 11 | 8 | 10.2 | 5.5 | 15.9 | 5.7 | 1.0 | 1.0 | 1.74 |
| Jim Colborn | CHC | rp | 24 | 2 | 1 | 3 | 3 | 0 | 1 | 4 | 5 | 12.2 | 2.0 | 14.6 | 5.9 | 0.5 | 2.9 | 1.58 |
| Joe Coleman | OAK | sp | 24 | 9 | 10 | 1 | 6 | 6 | 1 | 10 | 5 | 7.9 | 3.2 | 11.4 | 7.4 | 0.6 | 2.3 | 1.23 |
| Ron Cook* | MON | rp | 22 | 5 | 4 | 7 | 3 | 4 | 1 | 8 | 5 | 12.1 | 5.9 | 18.3 | 7.4 | 0.9 | 1.2 | 2.00 |
| Danny Coombs* | OAK | sp | 28 | 10 | 5 | 3 | 3 | 5 | 0 | 9 | 5 | 7.8 | 3.2 | 11.2 | 5.9 | 0.8 | 1.8 | 1.23 |
| Ray Corbin | CHC | rp | 22 | 5 | 3 | 3 | 1 | 8 | 0 | 8 | 3 | 10.0 | 4.2 | 14.2 | 5.8 | 1.7 | 1.4 | 1.57 |
| Mike Corkins | STL | sp | 24 | 1 | 0 | 5 | 1 | 0 | 1 | 4 | 2 | 8.5 | 6.4 | 15.1 | 5.2 | 1.8 | 0.8 | 1.66 |
| Casey Cox | HOU | sp | 28 | 2 | 1 | 0 | 4 | 0 | 0 | 1 | 3 | 8.9 | 2.9 | 12.5 | 1.9 | 1.3 | 0.7 | 1.31 |
| Jerry Crider | WSH | rp | 28 | 9 | 2 | 6 | 4 | 3 | 0 | 4 | 9 | 11.5 | 3.8 | 15.7 | 4.5 | 1.4 | 1.2 | 1.71 |
| Mike Cuellar* | SFG | sp | 33 | 6 | 3 | 2 | 3 | 10 | 0 | 11 | 6 | 9.3 | 2.4 | 11.8 | 6.5 | 1.6 | 2.7 | 1.30 |
| Ray Culp | ATL | sp | 28 | 12 | 2 | 2 | 7 | 6 | 0 | 8 | 6 | 8.1 | 3.1 | 11.4 | 7.2 | 0.9 | 2.3 | 1.24 |
| George Culver | CIN | rp | 27 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 3 | 9.5 | 5.1 | 14.8 | 7.1 | 0.7 | 1.4 | 1.62 |
| John Cumberland* | PHI | rp | 24 | 1 | 3 | 1 | 0 | 8 | 0 | 3 | 3 | 8.3 | 2.9 | 11.2 | 3.7 | 1.2 | 1.3 | 1.24 |
| John Curtis* | KCR | sp | 23 | 3 | 0 | 3 | 0 | 4 | 0 | 3 | 0 | 8.3 | 4.5 | 12.8 | 9.1 | 0.3 | 2.0 | 1.43 |
| Bruce Dal Canton | MIL | sp | 29 | 7 | 3 | 3 | 2 | 3 | 0 | 10 | 6 | 9.9 | 3.2 | 13.2 | 3.8 | 1.1 | 1.2 | 1.46 |
| Joe Decker | SDP | sp | 23 | 7 | 6 | 3 | 8 | 7 | 0 | 5 | 6 | 8.2 | 4.1 | 12.7 | 6.7 | 1.3 | 1.6 | 1.36 |
| Bill Denehy | CHC | rp | 25 | 2 | 0 | 1 | 2 | 2 | 0 | 1 | 0 | 11.8 | 6.1 | 18.5 | 4.4 | 2.5 | 0.7 | 1.99 |
| Larry Dierker | CAA | sp | 23 | 15 | 5 | 4 | 6 | 5 | 0 | 10 | 5 | 8.4 | 3.1 | 11.8 | 5.5 | 1.1 | 1.8 | 1.27 |
| Jack DiLauro* | KCR | rp | 27 | 1 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 7.6 | 5.4 | 13.0 | 4.3 | 1.1 | 0.8 | 1.44 |
| Chuck Dobson | CAA | sp | 26 | 6 | 5 | 2 | 5 | 8 | 1 | 13 | 1 | 9.3 | 3.6 | 13.2 | 4.8 | 1.8 | 1.3 | 1.44 |
| Pat Dobson | DET | sp | 29 | 16 | 7 | 6 | 5 | 6 | 0 | 6 | 8 | 9.8 | 2.8 | 12.8 | 5.7 | 1.5 | 2.0 | 1.40 |
| Al Downing* | DET | sp | 30 | 12 | 4 | 4 | 5 | 18 | 3 | 13 | 10 | 9.9 | 3.1 | 13.2 | 5.5 | 0.7 | 1.8 | 1.44 |
| Paul Doyle* | MIN | rp | 30 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 18.7 | 6.2 | 24.9 | 6.2 | 2.1 | 1.0 | 2.77 |
| Moe Drabowsky | KCR | rp | 34 | 5 | 0 | 5 | 3 | 1 | 0 | 4 | 2 | 10.5 | 4.9 | 15.9 | 6.6 | 1.9 | 1.3 | 1.71 |
| Dick Drago | PIT | sp | 26 | 9 | 3 | 1 | 7 | 5 | 0 | 11 | 6 | 10.4 | 2.1 | 12.8 | 4.8 | 0.6 | 2.3 | 1.39 |
| Tom Dukes | NYY | rp | 27 | 2 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 7.9 | 2.1 | 10.3 | 8.2 | 0.7 | 4.0 | 1.10 |
| Steve Dunning | BOS | sp | 22 | 20 | 7 | 5 | 4 | 10 | 3 | 11 | 10 | 8.8 | 5.1 | 14.1 | 6.7 | 1.5 | 1.3 | 1.55 |
| Dock Ellis | HOU | sp | 26 | 9 | 2 | 0 | 6 | 5 | 0 | 11 | 9 | 9.5 | 3.2 | 13.1 | 5.7 | 0.8 | 1.7 | 1.42 |
| Dick Ellsworth* | CIN | rp | 30 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 12.1 | 2.8 | 14.9 | 4.7 | 0.0 | 1.7 | 1.66 |
| Dick Ellsworth* | CHC | rp | 30 | 1 | 1 | 5 | 1 | 3 | 0 | 2 | 1 | 11.6 | 2.9 | 14.7 | 3.9 | 0.9 | 1.3 | 1.61 |
| Ed Farmer | BOS | rp | 21 | 7 | 2 | 5 | 3 | 9 | 0 | 4 | 3 | 10.0 | 6.1 | 16.5 | 5.9 | 1.0 | 1.0 | 1.79 |
| Rollie Fingers | CLE | rp | 24 | 3 | 0 | 4 | 0 | 1 | 0 | 2 | 2 | 8.6 | 1.9 | 10.6 | 6.7 | 1.4 | 3.4 | 1.18 |
| Eddie Fisher | CLE | rp | 33 | 6 | 2 | 3 | 3 | 1 | 0 | 1 | 1 | 9.2 | 3.0 | 12.6 | 4.6 | 1.1 | 1.5 | 1.35 |
| Al Fitzmorris | KCR | rp | 25 | 11 | 9 | 3 | 2 | 14 | 1 | 13 | 6 | 8.0 | 5.2 | 13.3 | 3.7 | 0.4 | 0.7 | 1.46 |
| Rich Folkers* | SDP | rp | 23 | 0 | 2 | 2 | 1 | 5 | 2 | 3 | 0 | 13.5 | 8.8 | 22.5 | 4.3 | 3.3 | 0.5 | 2.47 |
| Ken Forsch | MON | sp | 24 | 10 | 4 | 4 | 4 | 10 | 0 | 11 | 3 | 9.2 | 3.3 | 12.7 | 7.5 | 0.8 | 2.2 | 1.40 |
| Terry Forster* | SFG | rp | 19 | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 7.3 | 4.5 | 12.1 | 9.0 | 0.5 | 2.0 | 1.32 |
| Alan Foster | NYM | sp | 24 | 8 | 5 | 5 | 1 | 3 | 0 | 6 | 2 | 7.3 | 3.7 | 11.0 | 4.9 | 1.0 | 1.3 | 1.22 |
| Danny Frisella | CAA | rp | 25 | 4 | 3 | 3 | 3 | 6 | 3 | 5 | 5 | 9.2 | 2.5 | 12.0 | 8.9 | 0.7 | 3.5 | 1.30 |
| Woodie Fryman* | NYY | rp | 31 | 2 | 4 | 7 | 2 | 8 | 0 | 1 | 3 | 11.3 | 5.8 | 17.3 | 5.4 | 0.9 | 0.9 | 1.90 |
| Gene Garber | SDP | rp | 22 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 12.7 | 2.8 | 15.8 | 4.0 | 2.5 | 1.4 | 1.72 |
| Rob Gardner* | PHI | rp | 26 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 40.5 | 0.0 | 40.5 | 0.0 | 13.5 | 0.0 | 4.50 |
| Mike Garman | MIL | sp | 21 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 6.5 | 5.3 | 13.1 | 4.1 | 1.6 | 0.8 | 1.32 |
| Greg Garrett* | CHW | rp | 22 | 4 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 5.5 | 3.8 | 9.3 | 8.6 | 1.4 | 2.3 | 1.03 |
| John Gelnar | CHC | rp | 27 | 5 | 5 | 3 | 7 | 3 | 1 | 5 | 3 | 10.7 | 2.8 | 14.1 | 4.1 | 1.1 | 1.5 | 1.50 |
| Gary Gentry | BAL | sp | 24 | 3 | 1 | 3 | 2 | 0 | 0 | 3 | 3 | 6.5 | 5.0 | 11.7 | 7.5 | 0.8 | 1.5 | 1.28 |
| Joe Gibbon* | NYY | rp | 36 | 1 | 1 | 0 | 1 | 4 | 3 | 1 | 1 | 7.8 | 3.1 | 11.0 | 9.2 | 0.4 | 3.0 | 1.20 |
| Bob Gibson | STL | sp | 34 | 16 | 9 | 6 | 4 | 1 | 1 | 6 | 6 | 7.5 | 3.1 | 10.8 | 8.9 | 0.4 | 2.8 | 1.18 |
| Dave Giusti | CHC | rp | 30 | 5 | 8 | 1 | 3 | 6 | 0 | 6 | 6 | 9.6 | 3.4 | 13.2 | 7.5 | 1.0 | 2.2 | 1.44 |
| Fred Gladding | MIL | rp | 35 | 0 | 1 | 1 | 8 | 6 | 0 | 1 | 1 | 11.1 | 3.8 | 16.6 | 3.3 | 0.0 | 0.9 | 1.65 |
| Bill Gogolewski | MON | sp | 23 | 4 | 6 | 1 | 1 | 0 | 0 | 11 | 4 | 9.7 | 2.7 | 12.4 | 5.8 | 0.5 | 2.2 | 1.37 |
| Wayne Granger | BOS | rp | 26 | 0 | 3 | 1 | 0 | 4 | 0 | 3 | 3 | 9.4 | 2.4 | 11.8 | 4.1 | 0.6 | 1.7 | 1.31 |
| Jim Grant | PHI | rp | 34 | 1 | 0 | 1 | 5 | 1 | 0 | 3 | 3 | 11.4 | 1.9 | 13.9 | 3.6 | 1.2 | 1.9 | 1.48 |
| Bill Greif | PHI | rp | 21 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 15.4 | 13.5 | 28.9 | 9.6 | 0.0 | 0.7 | 3.21 |
| Tom Griffin | MIL | sp | 22 | 23 | 6 | 5 | 6 | 21 | 0 | 13 | 8 | 10.1 | 6.7 | 17.1 | 5.4 | 1.1 | 0.8 | 1.86 |
| Ross Grimsley* | LAD | sp | 21 | 7 | 2 | 3 | 2 | 3 | 1 | 6 | 11 | 9.2 | 2.2 | 11.5 | 5.4 | 1.4 | 2.4 | 1.27 |
| Joe Grzenda* | CLE | rp | 34 | 1 | 0 | 1 | 1 | 4 | 0 | 3 | 0 | 6.7 | 1.7 | 8.6 | 7.0 | 0.6 | 4.1 | 0.94 |
| Don Gullett* | NYY | sp | 20 | 8 | 4 | 4 | 2 | 1 | 0 | 10 | 8 | 9.8 | 2.8 | 12.7 | 5.4 | 0.8 | 2.0 | 1.40 |
| Larry Gura* | ATL | rp | 22 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 8.5 | 7.7 | 17.7 | 4.6 | 0.0 | 0.6 | 1.80 |
| Dick Hall | CIN | rp | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8.2 | 1.1 | 9.3 | 4.5 | 1.5 | 4.0 | 1.03 |
| Tom Hall* | CHW | rp | 22 | 6 | 3 | 8 | 8 | 5 | 0 | 6 | 4 | 5.4 | 3.2 | 9.0 | 11.9 | 0.4 | 3.7 | 0.96 |
| Roger Hambright | ATL | rp | 22 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 7.5 | 4.0 | 11.5 | 6.0 | 2.0 | 1.5 | 1.28 |
| Steve Hamilton* | PHI | rp | 35 | 1 | 1 | 7 | 0 | 0 | 0 | 1 | 1 | 6.7 | 3.0 | 9.7 | 7.3 | 0.3 | 2.4 | 1.07 |
| Rich Hand | NYY | sp | 21 | 9 | 6 | 6 | 5 | 1 | 1 | 19 | 1 | 7.1 | 3.3 | 10.6 | 6.8 | 1.0 | 2.1 | 1.15 |
| Bill Hands | CIN | sp | 30 | 8 | 6 | 2 | 7 | 4 | 1 | 13 | 8 | 9.2 | 3.0 | 12.5 | 5.7 | 0.5 | 1.9 | 1.35 |
| Jim Hannan | SFG | rp | 30 | 2 | 2 | 1 | 0 | 1 | 1 | 6 | 3 | 7.9 | 3.5 | 11.3 | 4.2 | 1.6 | 1.2 | 1.26 |
| Jim Hardin | CLE | sp | 26 | 6 | 0 | 2 | 0 | 0 | 0 | 3 | 1 | 11.0 | 1.7 | 12.7 | 4.3 | 0.9 | 2.5 | 1.41 |
| Steve Hargan | OAK | sp | 27 | 1 | 3 | 1 | 2 | 3 | 0 | 1 | 1 | 5.2 | 3.8 | 9.2 | 4.2 | 0.6 | 1.1 | 1.00 |
| Chuck Hartenstein | HOU | rp | 28 | 0 | 1 | 0 | 2 | 2 | 2 | 1 | 0 | 12.5 | 2.4 | 15.2 | 5.2 | 2.2 | 2.2 | 1.66 |
| Andy Hassler* | SDP | sp | 19 | 2 | 0 | 0 | 0 | 6 | 0 | 4 | 3 | 16.5 | 8.3 | 24.8 | 8.6 | 0.8 | 1.0 | 2.75 |
| Hal Haydel | KCR | rp | 26 | 0 | 1 | 3 | 3 | 1 | 0 | 0 | 0 | 12.1 | 5.6 | 19.1 | 7.4 | 0.5 | 1.3 | 1.97 |
| Mike Hedlund | SDP | sp | 24 | 6 | 5 | 2 | 2 | 6 | 0 | 5 | 8 | 9.1 | 4.2 | 13.3 | 3.4 | 1.3 | 0.8 | 1.47 |
| Phil Hennigan | CAA | rp | 25 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 3 | 9.4 | 6.0 | 15.4 | 9.1 | 1.6 | 1.5 | 1.71 |
| Ron Herbel | MIL | rp | 32 | 3 | 3 | 5 | 2 | 2 | 0 | 0 | 8 | 9.9 | 2.9 | 13.1 | 3.9 | 1.6 | 1.3 | 1.42 |
| Ron Herbel | BOS | rp | 32 | 1 | 5 | 2 | 5 | 0 | 1 | 3 | 0 | 8.1 | 2.7 | 11.4 | 4.6 | 1.3 | 1.7 | 1.20 |
| Ramon Hernandez* | CAA | rp | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 4.5 | 9.0 | 4.5 | 0.0 | 1.0 | 1.00 |
| Dennis Higgins | WSH | rp | 30 | 2 | 1 | 5 | 2 | 4 | 0 | 3 | 0 | 9.4 | 4.6 | 14.3 | 10.0 | 1.2 | 2.2 | 1.56 |
| Tom Hilgendorf* | SDP | rp | 28 | 0 | 0 | 0 | 0 | 10 | 1 | 1 | 3 | 10.7 | 3.7 | 14.3 | 4.7 | 0.7 | 1.3 | 1.59 |
| John Hiller* | CAA | rp | 27 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 10.5 | 4.3 | 14.8 | 9.0 | 0.3 | 2.1 | 1.64 |
| Joe Hoerner* | CHW | rp | 34 | 2 | 0 | 3 | 0 | 2 | 4 | 2 | 2 | 6.6 | 3.6 | 10.1 | 8.1 | 0.3 | 2.3 | 1.13 |
| Ken Holtzman* | PHI | sp | 24 | 13 | 6 | 4 | 3 | 11 | 1 | 10 | 7 | 8.9 | 3.0 | 12.1 | 7.1 | 0.9 | 2.3 | 1.33 |
| Burt Hooton | CHW | sp | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3.2 | 4.5 | 7.8 | 9.9 | 0.0 | 2.2 | 0.86 |
| Joe Horlen | CHW | sp | 33 | 7 | 4 | 3 | 7 | 4 | 4 | 5 | 4 | 10.2 | 1.8 | 12.4 | 5.8 | 0.6 | 3.1 | 1.34 |
| Charlie Hough | SDP | rp | 22 | 3 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | 10.6 | 4.2 | 14.8 | 6.1 | 2.7 | 1.5 | 1.65 |
| Tom House* | MIN | rp | 24 | 1 | 0 | 3 | 0 | 4 | 0 | 1 | 2 | 11.3 | 3.1 | 14.5 | 5.5 | 0.0 | 1.8 | 1.61 |
| Al Hrabosky* | CHW | rp | 20 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 20.8 | 8.3 | 31.2 | 4.2 | 2.1 | 0.5 | 3.23 |
| Bob Humphreys | CIN | rp | 34 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 9.7 | 5.0 | 14.9 | 5.4 | 0.5 | 1.1 | 1.63 |
| Catfish Hunter | HOU | sp | 25 | 7 | 5 | 2 | 4 | 2 | 0 | 5 | 3 | 8.5 | 2.9 | 11.6 | 6.5 | 1.2 | 2.3 | 1.27 |
| Grant Jackson* | NYM | rp | 28 | 2 | 1 | 2 | 0 | 2 | 0 | 1 | 3 | 7.8 | 2.9 | 10.7 | 5.5 | 0.8 | 1.9 | 1.19 |
| Jerry Janeski | MON | sp | 24 | 9 | 14 | 7 | 5 | 6 | 0 | 8 | 7 | 12.2 | 2.9 | 15.4 | 3.5 | 1.3 | 1.2 | 1.68 |
| Pat Jarvis | PIT | sp | 29 | 9 | 2 | 3 | 4 | 4 | 2 | 10 | 3 | 8.2 | 3.1 | 11.4 | 5.9 | 0.6 | 1.9 | 1.25 |
| Ferguson Jenkins | PHI | sp | 27 | 12 | 1 | 6 | 3 | 7 | 2 | 8 | 6 | 8.2 | 1.4 | 9.6 | 7.7 | 1.1 | 5.7 | 1.06 |
| Tommy John* | CLE | sp | 27 | 15 | 13 | 6 | 8 | 13 | 0 | 14 | 6 | 8.0 | 2.5 | 10.8 | 5.3 | 0.6 | 2.1 | 1.17 |
| Bart Johnson | OAK | rp | 21 | 10 | 8 | 1 | 4 | 23 | 0 | 7 | 6 | 6.7 | 5.3 | 12.1 | 8.0 | 0.5 | 1.5 | 1.32 |
| Bob Johnson | CIN | sp | 27 | 14 | 5 | 10 | 9 | 2 | 2 | 10 | 5 | 7.8 | 3.7 | 11.9 | 8.9 | 0.9 | 2.4 | 1.28 |
| Jerry Johnson | SDP | rp | 27 | 3 | 2 | 3 | 0 | 8 | 1 | 3 | 9 | 9.0 | 4.4 | 13.4 | 7.1 | 1.1 | 1.6 | 1.49 |
| Jim Kaat* | MIN | sp | 32 | 8 | 4 | 0 | 7 | 4 | 0 | 10 | 7 | 10.3 | 0.9 | 11.4 | 5.5 | 0.6 | 6.3 | 1.24 |
| Steve Kealey | MON | rp | 24 | 1 | 2 | 2 | 0 | 1 | 0 | 2 | 2 | 10.7 | 2.3 | 13.0 | 6.3 | 1.6 | 2.7 | 1.45 |
| Mike Kekich* | WSH | sp | 26 | 11 | 6 | 3 | 3 | 8 | 0 | 10 | 7 | 9.4 | 4.4 | 14.0 | 5.6 | 0.6 | 1.3 | 1.54 |
| Dick Kelley* | DET | rp | 31 | 5 | 1 | 1 | 1 | 1 | 0 | 2 | 4 | 10.5 | 4.0 | 14.7 | 7.7 | 1.3 | 1.9 | 1.61 |
| Tom Kelley | MIL | sp | 27 | 25 | 5 | 6 | 4 | 14 | 2 | 10 | 6 | 11.6 | 6.0 | 17.8 | 4.6 | 0.7 | 0.8 | 1.95 |
| Mike Kilkenny* | BOS | rp | 26 | 3 | 3 | 2 | 2 | 4 | 0 | 2 | 2 | 8.0 | 5.3 | 13.6 | 5.6 | 1.5 | 1.1 | 1.48 |
| Clay Kirby | PHI | sp | 23 | 13 | 6 | 10 | 3 | 14 | 0 | 20 | 5 | 7.6 | 4.3 | 12.0 | 8.6 | 1.1 | 2.0 | 1.32 |
| Bruce Kison | MIN | sp | 21 | 4 | 1 | 4 | 5 | 2 | 1 | 6 | 1 | 9.7 | 5.2 | 15.7 | 7.0 | 1.8 | 1.3 | 1.65 |
| Ron Klimkowski | HOU | rp | 26 | 7 | 1 | 3 | 2 | 4 | 0 | 15 | 3 | 8.6 | 4.0 | 12.8 | 3.0 | 0.7 | 0.7 | 1.40 |
| Steve Kline | BOS | sp | 23 | 9 | 6 | 6 | 0 | 2 | 2 | 9 | 3 | 9.9 | 1.7 | 11.6 | 3.3 | 1.1 | 1.9 | 1.29 |
| Darold Knowles* | CLE | rp | 29 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 10.3 | 3.3 | 13.9 | 7.0 | 0.3 | 2.1 | 1.52 |
| Cal Koonce | OAK | rp | 29 | 4 | 4 | 1 | 5 | 1 | 0 | 2 | 2 | 7.2 | 3.4 | 11.4 | 5.3 | 0.9 | 1.6 | 1.18 |
| Jerry Koosman* | BAL | sp | 27 | 10 | 4 | 8 | 4 | 7 | 2 | 5 | 4 | 7.7 | 2.7 | 10.6 | 6.3 | 1.0 | 2.3 | 1.16 |
| Lew Krausse | STL | sp | 28 | 18 | 3 | 4 | 7 | 0 | 3 | 7 | 4 | 9.6 | 3.4 | 13.2 | 5.7 | 1.5 | 1.7 | 1.44 |
| Marcel Lachemann | LAD | rp | 29 | 1 | 1 | 2 | 0 | 1 | 0 | 2 | 0 | 9.8 | 2.4 | 12.2 | 7.6 | 1.1 | 3.2 | 1.35 |
| Lerrin LaGrow | KCR | rp | 21 | 1 | 0 | 2 | 2 | 2 | 0 | 5 | 1 | 15.1 | 4.4 | 20.7 | 2.5 | 1.3 | 0.6 | 2.16 |
| John Lamb | ATL | rp | 23 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 9.8 | 4.6 | 14.9 | 8.7 | 1.0 | 1.9 | 1.60 |
| Ray Lamb | OAK | rp | 26 | 6 | 1 | 4 | 2 | 2 | 2 | 6 | 2 | 9.1 | 3.0 | 12.3 | 5.2 | 0.8 | 1.8 | 1.34 |
| Dave LaRoche* | SFG | rp | 23 | 4 | 1 | 8 | 1 | 2 | 0 | 2 | 3 | 8.8 | 3.2 | 12.1 | 7.9 | 0.9 | 2.5 | 1.33 |
| Fred Lasher | KCR | rp | 28 | 16 | 1 | 3 | 5 | 3 | 0 | 2 | 5 | 9.2 | 5.5 | 15.3 | 6.7 | 0.7 | 1.2 | 1.64 |
| Bill Lee* | CIN | rp | 24 | 1 | 2 | 2 | 0 | 0 | 0 | 3 | 4 | 10.8 | 3.1 | 13.9 | 6.6 | 0.9 | 2.1 | 1.55 |
| Denny Lemaster* | BOS | rp | 32 | 2 | 1 | 2 | 1 | 11 | 0 | 1 | 4 | 10.8 | 5.2 | 16.2 | 4.7 | 1.2 | 0.9 | 1.77 |
| Dave Leonhard | KCR | sp | 30 | 5 | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 10.7 | 4.2 | 15.2 | 3.6 | 1.1 | 0.9 | 1.66 |
| Barry Lersch | PHI | sp | 26 | 1 | 1 | 1 | 1 | 3 | 0 | 1 | 1 | 8.3 | 2.9 | 11.4 | 5.8 | 1.3 | 2.0 | 1.24 |
| Paul Lindblad* | CHW | rp | 29 | 8 | 4 | 1 | 2 | 1 | 0 | 4 | 3 | 6.2 | 2.5 | 8.9 | 6.0 | 0.9 | 2.4 | 0.97 |
| Frank Linzy | CIN | rp | 30 | 3 | 0 | 2 | 0 | 3 | 1 | 1 | 1 | 7.5 | 2.4 | 9.9 | 4.2 | 0.7 | 1.7 | 1.10 |
| Bob Locker | LAD | rp | 33 | 3 | 0 | 6 | 0 | 4 | 2 | 3 | 2 | 9.6 | 2.5 | 12.1 | 6.8 | 0.8 | 2.8 | 1.34 |
| Skip Lockwood | MIN | sp | 24 | 3 | 1 | 3 | 2 | 2 | 0 | 4 | 4 | 9.0 | 4.8 | 14.0 | 4.0 | 0.6 | 0.8 | 1.52 |
| Mickey Lolich* | DET | sp | 30 | 12 | 9 | 8 | 5 | 5 | 0 | 6 | 3 | 7.4 | 2.7 | 10.3 | 8.7 | 0.8 | 3.2 | 1.13 |
| Jim Lonborg | CHW | sp | 29 | 13 | 3 | 2 | 14 | 6 | 0 | 12 | 2 | 9.5 | 2.9 | 13.0 | 6.1 | 0.8 | 2.1 | 1.37 |
| Marcelino Lopez* | MIL | rp | 26 | 1 | 0 | 2 | 1 | 1 | 0 | 1 | 2 | 7.8 | 4.3 | 12.3 | 8.0 | 0.3 | 1.9 | 1.33 |
| Marcelino Lopez* | OAK | rp | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 3.2 | 7.9 | 11.1 | 1.6 | 3.5 | 0.88 |
| Sparky Lyle* | STL | rp | 26 | 2 | 0 | 1 | 1 | 7 | 0 | 3 | 2 | 5.8 | 6.0 | 12.1 | 7.1 | 1.0 | 1.2 | 1.31 |
| Juan Marichal | SFG | sp | 33 | 6 | 4 | 2 | 5 | 8 | 1 | 13 | 8 | 8.8 | 1.8 | 10.7 | 5.9 | 1.1 | 3.3 | 1.17 |
| Mike Marshall | MIL | rp | 28 | 3 | 1 | 7 | 6 | 7 | 0 | 4 | 2 | 13.9 | 5.3 | 20.3 | 7.4 | 1.5 | 1.4 | 2.14 |
| Jon Matlack* | SDP | sp | 21 | 7 | 1 | 4 | 0 | 7 | 0 | 7 | 2 | 8.3 | 7.9 | 16.2 | 8.1 | 0.2 | 1.0 | 1.80 |
| Rudy May* | MIN | sp | 26 | 6 | 10 | 5 | 4 | 0 | 0 | 6 | 10 | 8.3 | 3.1 | 11.6 | 8.1 | 0.8 | 2.6 | 1.27 |
| Ernie McAnally | LAD | sp | 24 | 18 | 4 | 2 | 1 | 22 | 0 | 6 | 4 | 7.9 | 5.9 | 13.7 | 5.9 | 1.1 | 1.0 | 1.52 |
| Jim McAndrew | ATL | sp | 26 | 10 | 2 | 3 | 2 | 5 | 0 | 5 | 5 | 13.3 | 2.8 | 16.2 | 6.0 | 1.4 | 2.1 | 1.78 |
| Mike McCormick* | KCR | rp | 31 | 14 | 2 | 5 | 4 | 1 | 0 | 3 | 1 | 12.2 | 2.7 | 15.4 | 5.2 | 1.6 | 1.9 | 1.65 |
| Lindy McDaniel | CHC | rp | 34 | 1 | 0 | 1 | 0 | 2 | 0 | 4 | 3 | 9.1 | 1.5 | 10.7 | 7.4 | 0.5 | 4.8 | 1.19 |
| Sam McDowell* | CLE | sp | 27 | 11 | 10 | 2 | 5 | 10 | 0 | 13 | 8 | 6.8 | 3.9 | 10.8 | 9.5 | 0.5 | 2.4 | 1.19 |
| Dan McGinn* | MIL | rp | 26 | 6 | 1 | 3 | 2 | 0 | 1 | 2 | 1 | 9.2 | 6.8 | 16.6 | 6.1 | 1.2 | 0.9 | 1.77 |
| Jim McGlothlin | PHI | sp | 27 | 8 | 6 | 4 | 4 | 9 | 0 | 4 | 2 | 8.1 | 3.1 | 11.4 | 5.6 | 0.9 | 1.8 | 1.25 |
| Tug McGraw* | BOS | rp | 26 | 7 | 3 | 1 | 3 | 5 | 0 | 2 | 1 | 7.3 | 3.3 | 10.9 | 12.1 | 0.9 | 3.6 | 1.18 |
| Denny McLain | NYY | sp | 27 | 3 | 3 | 2 | 1 | 0 | 0 | 2 | 1 | 13.8 | 4.5 | 18.4 | 3.9 | 2.0 | 0.9 | 2.03 |
| Don McMahon | ATL | rp | 40 | 3 | 1 | 1 | 0 | 11 | 0 | 2 | 2 | 7.8 | 3.6 | 11.3 | 6.9 | 0.5 | 1.9 | 1.26 |
| Dave McNally* | BAL | sp | 28 | 8 | 4 | 4 | 5 | 6 | 0 | 5 | 7 | 7.3 | 2.3 | 9.8 | 3.7 | 0.6 | 1.6 | 1.07 |
| Mike McQueen* | DET | rp | 20 | 1 | 2 | 2 | 1 | 6 | 0 | 0 | 2 | 7.3 | 3.3 | 10.8 | 6.9 | 0.9 | 2.1 | 1.18 |
| Norm McRae | ATL | rp | 22 | 1 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 12.1 | 11.4 | 23.4 | 2.8 | 0.7 | 0.3 | 2.61 |
| Jim Merritt* | CHW | sp | 26 | 8 | 7 | 7 | 3 | 5 | 0 | 12 | 2 | 8.9 | 1.7 | 10.8 | 5.1 | 0.9 | 3.0 | 1.19 |
| Andy Messersmith | WSH | sp | 25 | 23 | 12 | 3 | 2 | 17 | 0 | 15 | 8 | 8.2 | 4.4 | 12.7 | 6.1 | 0.6 | 1.4 | 1.40 |
| Pete Mikkelsen | LAD | rp | 30 | 5 | 0 | 4 | 2 | 1 | 0 | 3 | 1 | 7.3 | 3.4 | 10.9 | 5.4 | 0.9 | 1.6 | 1.19 |
| Bob Miller | CIN | rp | 32 | 1 | 0 | 1 | 4 | 1 | 0 | 8 | 2 | 9.7 | 4.0 | 14.2 | 5.0 | 0.8 | 1.2 | 1.52 |
| Steve Mingori* | CHC | rp | 27 | 5 | 2 | 2 | 1 | 1 | 0 | 2 | 1 | 4.7 | 3.4 | 8.3 | 7.7 | 0.8 | 2.3 | 0.90 |
| Joe Moeller | SDP | sp | 27 | 1 | 1 | 0 | 2 | 1 | 0 | 7 | 0 | 9.8 | 3.1 | 13.3 | 3.7 | 1.7 | 1.2 | 1.44 |
| Joe Moeller | DET | sp | 27 | 7 | 2 | 1 | 1 | 2 | 0 | 1 | 0 | 10.5 | 2.3 | 13.0 | 4.7 | 1.1 | 2.1 | 1.42 |
| Aurelio Monteagudo | NYM | rp | 26 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 8.1 | 3.1 | 11.1 | 6.1 | 1.4 | 2.0 | 1.24 |
| Monty Montgomery | NYM | sp | 24 | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 6.8 | 2.5 | 9.7 | 4.7 | 0.4 | 1.9 | 1.04 |
| Balor Moore* | CIN | rp | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 15.4 | 23.1 | 7.7 | 0.0 | 0.5 | 2.57 |
| Barry Moore* | WSH | sp | 27 | 7 | 2 | 4 | 8 | 3 | 0 | 4 | 1 | 10.3 | 3.6 | 14.8 | 5.2 | 1.7 | 1.5 | 1.54 |
| Bob Moose | ATL | sp | 22 | 8 | 3 | 2 | 0 | 0 | 0 | 8 | 4 | 9.5 | 3.3 | 12.8 | 5.5 | 0.6 | 1.7 | 1.42 |
| Dave Morehead | MON | sp | 27 | 10 | 10 | 6 | 3 | 6 | 0 | 8 | 7 | 8.6 | 5.2 | 13.9 | 4.5 | 0.3 | 0.9 | 1.53 |
| Roger Moret* | NYM | sp | 21 | 2 | 2 | 3 | 0 | 1 | 0 | 3 | 3 | 6.7 | 4.8 | 11.5 | 6.7 | 0.8 | 1.4 | 1.28 |
| John Morris* | SDP | rp | 28 | 3 | 1 | 6 | 3 | 4 | 0 | 2 | 3 | 10.7 | 3.8 | 14.8 | 6.6 | 0.5 | 1.7 | 1.61 |
| Carl Morton | OAK | sp | 26 | 10 | 4 | 4 | 2 | 1 | 1 | 7 | 2 | 9.6 | 4.2 | 13.9 | 6.2 | 0.3 | 1.5 | 1.53 |
| Danny Murphy | SDP | rp | 27 | 2 | 1 | 3 | 3 | 1 | 1 | 0 | 2 | 8.4 | 9.6 | 19.7 | 2.3 | 0.0 | 0.2 | 2.00 |
| Tom Murphy | NYY | sp | 25 | 15 | 7 | 12 | 13 | 17 | 0 | 12 | 4 | 8.9 | 3.9 | 13.5 | 3.7 | 1.0 | 0.9 | 1.43 |
| Mike Nagy | NYY | sp | 22 | 2 | 1 | 1 | 0 | 1 | 0 | 3 | 1 | 12.9 | 3.7 | 16.6 | 3.1 | 1.2 | 0.8 | 1.84 |
| Jim Nash | OAK | sp | 25 | 22 | 7 | 3 | 7 | 3 | 1 | 13 | 6 | 8.5 | 3.8 | 12.6 | 5.1 | 0.4 | 1.3 | 1.37 |
| Gary Neibauer | DET | rp | 26 | 1 | 0 | 1 | 4 | 3 | 0 | 1 | 5 | 8.3 | 5.0 | 14.8 | 2.2 | 0.4 | 0.4 | 1.48 |
| Jim Nelson | MON | sp | 22 | 1 | 1 | 3 | 3 | 1 | 0 | 7 | 4 | 11.4 | 5.2 | 16.9 | 7.0 | 1.8 | 1.4 | 1.84 |
| Roger Nelson | CIN | rp | 27 | 0 | 0 | 2 | 1 | 3 | 0 | 0 | 1 | 8.3 | 0.8 | 9.3 | 7.7 | 0.4 | 9.5 | 1.01 |
| Ray Newman* | ATL | rp | 26 | 3 | 2 | 3 | 0 | 3 | 0 | 1 | 2 | 6.3 | 4.8 | 11.1 | 8.3 | 0.7 | 1.7 | 1.23 |
| Joe Niekro | CHC | sp | 25 | 18 | 3 | 9 | 4 | 0 | 0 | 15 | 11 | 11.3 | 3.2 | 14.7 | 4.3 | 1.2 | 1.3 | 1.61 |
| Phil Niekro | ATL | sp | 32 | 13 | 8 | 5 | 2 | 7 | 2 | 11 | 7 | 8.4 | 3.0 | 11.5 | 6.1 | 1.0 | 2.0 | 1.27 |
| Gary Nolan | HOU | sp | 23 | 10 | 4 | 2 | 2 | 2 | 0 | 6 | 8 | 8.2 | 2.4 | 10.7 | 5.4 | 1.0 | 2.2 | 1.18 |
| Fred Norman* | PIT | sp | 28 | 2 | 1 | 2 | 0 | 0 | 0 | 2 | 2 | 9.2 | 4.1 | 13.3 | 8.6 | 0.6 | 2.1 | 1.48 |
| Rich Nye* | CAA | rp | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0.0 | 4.9 | 7.4 | 0.0 | 99.0 | 0.55 |
| Bob O'Brien* | CIN | rp | 22 | 0 | 1 | 1 | 1 | 5 | 0 | 1 | 0 | 11.8 | 2.3 | 14.6 | 4.5 | 0.6 | 2.0 | 1.56 |
| Bob O'Brien* | HOU | rp | 22 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 18.0 | 9.0 | 31.5 | 9.0 | 0.0 | 1.0 | 3.00 |
| John O'Donoghue* | HOU | rp | 30 | 1 | 1 | 3 | 2 | 1 | 0 | 5 | 2 | 10.0 | 3.8 | 14.1 | 5.3 | 1.4 | 1.4 | 1.53 |
| Blue Moon Odom | NYM | sp | 25 | 20 | 3 | 1 | 7 | 15 | 0 | 12 | 10 | 7.5 | 7.1 | 14.9 | 5.6 | 1.0 | 0.8 | 1.61 |
| Claude Osteen* | BAL | sp | 31 | 3 | 4 | 5 | 4 | 4 | 0 | 8 | 7 | 9.3 | 2.5 | 12.0 | 4.8 | 0.9 | 1.9 | 1.31 |
| Jim Palmer | BAL | sp | 24 | 12 | 7 | 4 | 3 | 6 | 3 | 11 | 6 | 8.6 | 2.5 | 11.2 | 5.6 | 0.6 | 2.3 | 1.23 |
| Lowell Palmer | BOS | rp | 22 | 12 | 7 | 11 | 7 | 11 | 3 | 7 | 4 | 10.4 | 5.1 | 16.0 | 6.7 | 1.5 | 1.3 | 1.71 |
| Milt Pappas | BAL | sp | 32 | 9 | 12 | 13 | 5 | 4 | 0 | 7 | 6 | 9.2 | 2.5 | 11.9 | 4.4 | 1.1 | 1.7 | 1.30 |
| Harry Parker | PHI | sp | 22 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 11.1 | 6.8 | 17.8 | 3.4 | 0.5 | 0.5 | 1.98 |
| Bill Parsons | CHC | sp | 22 | 21 | 6 | 0 | 3 | 2 | 0 | 13 | 6 | 10.2 | 4.0 | 14.2 | 5.8 | 1.3 | 1.5 | 1.57 |
| Daryl Patterson | SDP | rp | 26 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 9.5 | 5.3 | 14.8 | 8.5 | 0.5 | 1.6 | 1.65 |
| Marty Pattin | CHW | sp | 27 | 16 | 2 | 6 | 5 | 4 | 0 | 5 | 10 | 8.7 | 2.3 | 11.2 | 6.3 | 0.9 | 2.7 | 1.22 |
| Mike Paul* | DET | sp | 26 | 0 | 0 | 4 | 1 | 1 | 1 | 0 | 4 | 15.1 | 2.6 | 18.0 | 4.8 | 1.5 | 1.8 | 1.98 |
| Jose Pena | CAA | rp | 28 | 2 | 0 | 2 | 0 | 1 | 0 | 3 | 0 | 8.0 | 5.7 | 13.7 | 9.0 | 1.4 | 1.6 | 1.52 |
| Orlando Pena | DET | rp | 36 | 0 | 1 | 2 | 3 | 0 | 0 | 0 | 1 | 10.5 | 2.1 | 13.2 | 4.8 | 2.1 | 2.3 | 1.40 |
| Ron Perranoski* | CAA | rp | 34 | 1 | 3 | 7 | 1 | 0 | 0 | 3 | 4 | 10.2 | 3.4 | 13.7 | 3.5 | 0.2 | 1.0 | 1.51 |
| Gaylord Perry | SFG | sp | 31 | 11 | 8 | 4 | 8 | 3 | 0 | 10 | 4 | 8.7 | 2.8 | 11.8 | 6.1 | 0.8 | 2.2 | 1.27 |
| Jim Perry | CLE | sp | 34 | 2 | 8 | 4 | 3 | 0 | 0 | 7 | 2 | 8.6 | 1.6 | 10.3 | 5.1 | 0.8 | 3.1 | 1.14 |
| Gary Peters* | PIT | sp | 33 | 8 | 6 | 3 | 7 | 16 | 0 | 18 | 4 | 10.4 | 2.4 | 13.1 | 8.3 | 0.8 | 3.4 | 1.42 |
| Fritz Peterson* | NYY | sp | 28 | 8 | 3 | 4 | 4 | 1 | 0 | 11 | 7 | 8.9 | 0.8 | 9.9 | 5.0 | 0.7 | 6.3 | 1.08 |
| Tom Phoebus | OAK | sp | 28 | 5 | 3 | 3 | 1 | 2 | 0 | 2 | 3 | 8.3 | 4.8 | 13.2 | 4.4 | 0.7 | 0.9 | 1.46 |
| Horacio Pina | MIL | rp | 25 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 8.4 | 5.5 | 13.9 | 4.6 | 0.4 | 0.8 | 1.55 |
| Skip Pitlock* | MON | sp | 22 | 3 | 3 | 4 | 2 | 2 | 3 | 5 | 3 | 8.6 | 4.7 | 13.5 | 7.1 | 1.4 | 1.5 | 1.47 |
| Juan Pizarro* | STL | sp | 34 | 0 | 0 | 1 | 5 | 3 | 0 | 6 | 0 | 5.6 | 3.2 | 9.4 | 6.7 | 1.1 | 2.1 | 0.98 |
| Bob Priddy | KCR | rp | 30 | 0 | 0 | 2 | 1 | 9 | 0 | 2 | 2 | 11.7 | 6.0 | 17.9 | 3.3 | 0.2 | 0.6 | 1.96 |
| Mel Queen | CIN | rp | 29 | 6 | 3 | 0 | 5 | 3 | 1 | 3 | 2 | 11.1 | 4.5 | 16.7 | 5.8 | 0.4 | 1.3 | 1.74 |
| Mel Queen | PIT | rp | 29 | 2 | 0 | 0 | 1 | 4 | 1 | 1 | 1 | 7.9 | 4.2 | 12.7 | 9.0 | 0.0 | 2.1 | 1.35 |
| Jim Ray | PHI | rp | 26 | 5 | 2 | 1 | 4 | 3 | 1 | 5 | 2 | 8.2 | 3.6 | 12.3 | 5.8 | 0.8 | 1.6 | 1.31 |
| Claude Raymond | KCR | rp | 33 | 5 | 6 | 5 | 3 | 3 | 0 | 3 | 2 | 7.4 | 2.4 | 10.1 | 7.9 | 1.0 | 3.3 | 1.09 |
| Frank Reberger | BOS | sp | 27 | 2 | 6 | 1 | 1 | 0 | 0 | 6 | 2 | 7.4 | 5.1 | 12.6 | 5.1 | 1.0 | 1.0 | 1.38 |
| Bob Reed | WSH | rp | 25 | 6 | 2 | 2 | 0 | 1 | 1 | 5 | 4 | 10.6 | 3.1 | 13.7 | 4.5 | 0.4 | 1.4 | 1.52 |
| Howie Reed | WSH | rp | 33 | 3 | 1 | 3 | 1 | 4 | 0 | 3 | 5 | 10.7 | 5.2 | 16.1 | 4.0 | 0.6 | 0.8 | 1.77 |
| Ron Reed | BAL | sp | 28 | 4 | 3 | 2 | 1 | 0 | 0 | 3 | 2 | 8.3 | 2.3 | 10.7 | 5.8 | 0.9 | 2.5 | 1.18 |
| Phil Regan | LAD | rp | 33 | 3 | 1 | 2 | 1 | 0 | 0 | 5 | 5 | 9.4 | 2.7 | 12.2 | 2.8 | 0.6 | 1.0 | 1.34 |
| Steve Renko | KCR | sp | 26 | 25 | 5 | 3 | 3 | 18 | 0 | 19 | 10 | 8.8 | 4.9 | 13.8 | 4.5 | 0.9 | 0.9 | 1.52 |
| Jerry Reuss* | STL | sp | 21 | 1 | 2 | 4 | 0 | 3 | 1 | 1 | 1 | 12.0 | 3.3 | 15.3 | 6.6 | 0.7 | 2.0 | 1.70 |
| Bob Reynolds | PHI | rp | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54.0 | 13.5 | 67.5 | 13.5 | 13.5 | 1.0 | 7.50 |
| Ken Reynolds* | WSH | sp | 24 | 8 | 3 | 11 | 6 | 8 | 2 | 15 | 9 | 7.9 | 4.7 | 12.9 | 4.8 | 0.7 | 1.0 | 1.40 |
| J.R. Richard | ATL | sp | 21 | 5 | 3 | 3 | 0 | 2 | 1 | 1 | 0 | 8.4 | 10.6 | 19.0 | 12.4 | 0.7 | 1.2 | 2.11 |
| Pete Richert* | CAA | rp | 30 | 0 | 3 | 2 | 1 | 4 | 0 | 1 | 3 | 6.0 | 3.9 | 10.2 | 10.8 | 1.2 | 2.8 | 1.10 |
| Denny Riddleberger* | LAD | rp | 25 | 4 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 8.7 | 3.6 | 12.5 | 7.7 | 1.2 | 2.1 | 1.37 |
| Dave Roberts* | DET | sp | 26 | 7 | 4 | 1 | 6 | 3 | 0 | 8 | 5 | 8.8 | 2.4 | 11.4 | 5.9 | 0.6 | 2.5 | 1.24 |
| Rich Robertson | CHC | sp | 25 | 23 | 4 | 10 | 1 | 18 | 0 | 7 | 6 | 11.4 | 5.6 | 17.1 | 6.1 | 1.6 | 1.1 | 1.89 |
| Jim Roland* | DET | rp | 28 | 1 | 2 | 3 | 6 | 1 | 2 | 2 | 2 | 6.5 | 3.3 | 10.8 | 4.8 | 1.0 | 1.4 | 1.09 |
| Vicente Romo | PIT | rp | 28 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 1 | 7.9 | 4.6 | 12.5 | 6.4 | 0.8 | 1.4 | 1.39 |
| Jim Rooker* | CAA | sp | 27 | 11 | 4 | 3 | 2 | 2 | 0 | 12 | 8 | 8.8 | 5.4 | 14.3 | 5.8 | 0.6 | 1.1 | 1.58 |
| Gary Ross | KCR | rp | 22 | 14 | 4 | 3 | 5 | 6 | 0 | 2 | 4 | 12.0 | 4.3 | 16.9 | 3.8 | 1.6 | 0.9 | 1.81 |
| Nolan Ryan | STL | sp | 23 | 13 | 7 | 1 | 6 | 7 | 0 | 15 | 6 | 6.1 | 7.6 | 14.0 | 8.3 | 0.6 | 1.1 | 1.52 |
| Ray Sadecki* | STL | sp | 30 | 11 | 3 | 9 | 8 | 0 | 0 | 11 | 5 | 8.0 | 2.9 | 11.3 | 7.6 | 0.9 | 2.6 | 1.21 |
| Ken Sanders | STL | rp | 29 | 7 | 3 | 5 | 3 | 0 | 0 | 1 | 3 | 8.2 | 2.9 | 11.3 | 5.3 | 1.1 | 1.8 | 1.23 |
| Al Santorini | LAD | sp | 22 | 4 | 3 | 4 | 8 | 1 | 0 | 5 | 8 | 9.7 | 5.6 | 16.0 | 4.1 | 1.5 | 0.7 | 1.69 |
| Fred Scherman* | SDP | rp | 26 | 9 | 4 | 17 | 7 | 3 | 0 | 10 | 7 | 9.5 | 4.4 | 14.4 | 4.0 | 0.9 | 0.9 | 1.54 |
| Tom Seaver | NYM | sp | 26 | 14 | 7 | 5 | 3 | 3 | 1 | 13 | 10 | 9.0 | 3.0 | 12.1 | 9.0 | 1.0 | 3.0 | 1.33 |
| Chuck Seelbach | CLE | rp | 23 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 16.5 | 13.5 | 33.0 | 3.0 | 6.0 | 0.2 | 3.33 |
| Diego Segui | SFG | rp | 32 | 6 | 4 | 3 | 3 | 5 | 0 | 2 | 6 | 8.0 | 5.0 | 13.2 | 4.3 | 0.7 | 0.9 | 1.44 |
| Dick Selma | PIT | rp | 26 | 8 | 3 | 2 | 2 | 11 | 0 | 6 | 6 | 7.1 | 4.7 | 12.0 | 9.4 | 0.8 | 2.0 | 1.31 |
| Al Severinsen | NYM | rp | 26 | 4 | 1 | 5 | 4 | 8 | 2 | 6 | 4 | 10.3 | 4.4 | 15.2 | 3.7 | 0.5 | 0.8 | 1.63 |
| Don Shaw* | NYY | rp | 27 | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 8.4 | 5.6 | 14.9 | 4.2 | 0.0 | 0.8 | 1.55 |
| Jim Shellenback* | SDP | rp | 26 | 8 | 7 | 4 | 2 | 1 | 0 | 6 | 8 | 9.1 | 3.7 | 12.9 | 4.2 | 0.7 | 1.1 | 1.42 |
| Chris Short* | OAK | sp | 32 | 8 | 6 | 7 | 6 | 1 | 0 | 5 | 4 | 8.2 | 2.9 | 11.4 | 6.7 | 0.8 | 2.3 | 1.23 |
| Sonny Siebert | LAD | sp | 34 | 11 | 5 | 2 | 3 | 7 | 0 | 9 | 2 | 9.8 | 2.7 | 12.7 | 5.5 | 1.1 | 2.0 | 1.40 |
| Wayne Simpson | PIT | sp | 21 | 8 | 2 | 0 | 7 | 3 | 3 | 8 | 1 | 7.0 | 4.7 | 12.1 | 6.0 | 1.2 | 1.3 | 1.30 |
| Bill Singer | CLE | sp | 26 | 2 | 4 | 2 | 0 | 1 | 0 | 2 | 1 | 5.6 | 3.1 | 8.7 | 8.3 | 1.5 | 2.7 | 0.97 |
| Jim Slaton | HOU | sp | 21 | 1 | 3 | 5 | 6 | 8 | 2 | 6 | 2 | 9.4 | 4.1 | 13.8 | 4.4 | 1.6 | 1.1 | 1.50 |
| Scipio Spinks | CIN | sp | 23 | 3 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 5.5 | 3.5 | 9.3 | 9.3 | 0.0 | 2.7 | 1.00 |
| Paul Splittorff* | CAA | sp | 24 | 10 | 5 | 5 | 4 | 0 | 0 | 5 | 3 | 7.9 | 1.9 | 10.0 | 6.0 | 0.6 | 3.1 | 1.09 |
| Ed Sprague | HOU | rp | 25 | 1 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 10.9 | 3.2 | 14.1 | 5.8 | 0.0 | 1.8 | 1.57 |
| George Stone* | WSH | sp | 23 | 16 | 7 | 7 | 6 | 0 | 0 | 6 | 3 | 9.7 | 1.7 | 11.7 | 7.1 | 0.7 | 4.1 | 1.27 |
| Steve Stone | SDP | sp | 23 | 3 | 8 | 8 | 4 | 6 | 2 | 10 | 1 | 12.0 | 5.4 | 17.7 | 6.5 | 1.4 | 1.2 | 1.93 |
| Bill Stoneman | CIN | sp | 27 | 12 | 6 | 3 | 3 | 11 | 2 | 5 | 3 | 8.8 | 6.1 | 15.0 | 8.0 | 1.0 | 1.3 | 1.65 |
| Mel Stottlemyre | NYY | sp | 29 | 11 | 10 | 3 | 4 | 4 | 0 | 12 | 6 | 9.8 | 2.1 | 12.1 | 3.7 | 0.6 | 1.8 | 1.32 |
| Mike Strahler | HOU | rp | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3.6 | 4.2 | 7.8 | 4.2 | 0.5 | 1.0 | 0.87 |
| Jim Strickland* | MIN | rp | 25 | 2 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 6.3 | 4.7 | 11.3 | 7.2 | 0.9 | 1.5 | 1.22 |
| John Strohmayer | SDP | sp | 24 | 5 | 3 | 2 | 4 | 0 | 0 | 10 | 2 | 10.6 | 3.0 | 13.9 | 4.3 | 1.0 | 1.4 | 1.51 |
| Don Sutton | LAD | sp | 26 | 15 | 7 | 1 | 3 | 7 | 0 | 12 | 6 | 8.0 | 2.3 | 10.4 | 8.1 | 0.6 | 3.5 | 1.14 |
| Ken Tatum | CHC | rp | 26 | 4 | 0 | 12 | 6 | 5 | 0 | 5 | 1 | 9.6 | 3.3 | 13.4 | 4.6 | 1.6 | 1.4 | 1.43 |
| Chuck Taylor | STL | rp | 28 | 2 | 1 | 4 | 2 | 2 | 0 | 2 | 4 | 6.8 | 2.0 | 9.0 | 5.2 | 0.3 | 2.6 | 0.98 |
| Ron Taylor | NYY | rp | 33 | 0 | 5 | 2 | 4 | 2 | 0 | 4 | 0 | 13.0 | 0.6 | 14.3 | 3.7 | 1.1 | 6.0 | 1.52 |
| Mike Thompson | CIN | sp | 21 | 1 | 2 | 1 | 3 | 7 | 0 | 2 | 4 | 6.9 | 7.3 | 14.7 | 5.0 | 0.7 | 0.7 | 1.57 |
| Mike Thompson | MON | sp | 21 | 3 | 1 | 0 | 1 | 5 | 0 | 2 | 2 | 11.0 | 5.7 | 16.9 | 5.3 | 1.0 | 0.9 | 1.86 |
| Luis Tiant | CLE | sp | 29 | 1 | 0 | 1 | 0 | 2 | 0 | 2 | 3 | 11.3 | 5.3 | 16.6 | 3.9 | 2.2 | 0.7 | 1.85 |
| Tom Timmermann | MIN | rp | 30 | 3 | 3 | 2 | 2 | 3 | 0 | 2 | 5 | 10.2 | 2.8 | 13.2 | 5.1 | 0.0 | 1.8 | 1.44 |
| Ron Tompkins | CIN | rp | 26 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 7.7 | 3.2 | 12.2 | 3.2 | 0.6 | 1.0 | 1.21 |
| Ron Tompkins | MON | rp | 26 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 14.4 | 4.5 | 20.7 | 4.5 | 1.8 | 1.0 | 2.10 |
| Mike Torrez | CHW | sp | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10.1 | 9.3 | 19.4 | 5.1 | 1.7 | 0.5 | 2.16 |
| Wayne Twitchell | OAK | rp | 23 | 0 | 2 | 0 | 3 | 0 | 0 | 1 | 0 | 2.3 | 9.8 | 13.8 | 7.5 | 0.0 | 0.8 | 1.34 |
| Cecil Upshaw | NYM | rp | 28 | 8 | 2 | 2 | 1 | 4 | 0 | 3 | 3 | 11.1 | 2.8 | 14.0 | 5.7 | 1.2 | 2.0 | 1.54 |
| Sandy Vance | WSH | sp | 23 | 11 | 6 | 5 | 4 | 7 | 0 | 7 | 6 | 11.7 | 2.6 | 14.5 | 3.5 | 0.9 | 1.3 | 1.59 |
| Bob Veale* | MIN | sp | 34 | 11 | 3 | 3 | 4 | 6 | 1 | 6 | 1 | 8.5 | 4.4 | 13.2 | 9.9 | 0.8 | 2.2 | 1.43 |
| Gary Wagner | NYY | rp | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20.3 | 13.5 | 33.8 | 0.0 | 0.0 | 0.0 | 3.75 |
| Luke Walker* | DET | rp | 26 | 4 | 2 | 0 | 2 | 3 | 0 | 6 | 4 | 6.8 | 3.8 | 10.7 | 6.1 | 0.3 | 1.6 | 1.18 |
| Ray Washburn | SDP | rp | 32 | 1 | 2 | 1 | 1 | 0 | 0 | 3 | 1 | 14.3 | 6.1 | 20.9 | 7.0 | 0.4 | 1.1 | 2.27 |
| Gary Waslewski | CAA | sp | 28 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 9.0 | 3.8 | 13.1 | 6.7 | 0.9 | 1.8 | 1.42 |
| Eddie Watt | MIN | rp | 30 | 1 | 3 | 4 | 0 | 6 | 0 | 2 | 0 | 11.8 | 2.7 | 14.5 | 6.0 | 0.6 | 2.2 | 1.61 |
| Floyd Weaver | CHC | rp | 29 | 3 | 1 | 1 | 1 | 2 | 0 | 4 | 2 | 8.2 | 3.4 | 11.8 | 5.5 | 1.4 | 1.6 | 1.29 |
| Mike Wegener | CHC | sp | 23 | 1 | 1 | 1 | 2 | 7 | 0 | 5 | 4 | 9.6 | 5.0 | 14.7 | 2.9 | 0.8 | 0.6 | 1.62 |
| Fred Wenz | CAA | rp | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 0.0 | 5.4 | 8.1 | 0.0 | 99.0 | 0.60 |
| Milt Wilcox | PHI | rp | 21 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 15.6 | 9.9 | 27.0 | 8.5 | 1.4 | 0.9 | 2.84 |
| Hoyt Wilhelm | SFG | rp | 46 | 1 | 2 | 2 | 1 | 3 | 0 | 2 | 3 | 11.8 | 3.5 | 15.5 | 7.1 | 2.8 | 2.0 | 1.70 |
| Charlie Williams | WSH | rp | 23 | 0 | 0 | 3 | 2 | 1 | 0 | 5 | 2 | 11.9 | 5.4 | 17.7 | 7.1 | 0.2 | 1.3 | 1.92 |
| Stan Williams | BAL | rp | 33 | 5 | 2 | 6 | 3 | 3 | 2 | 6 | 1 | 7.4 | 2.8 | 10.5 | 6.5 | 0.5 | 2.3 | 1.14 |
| Ron Willis | BOS | rp | 26 | 1 | 0 | 0 | 9 | 0 | 0 | 1 | 4 | 8.6 | 3.1 | 12.9 | 2.7 | 0.8 | 0.9 | 1.30 |
| Jim Willoughby | SFG | sp | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 20.3 | 27.0 | 6.8 | 0.0 | 0.3 | 3.00 |
| Bill Wilson | PIT | rp | 28 | 2 | 2 | 1 | 1 | 5 | 0 | 1 | 0 | 6.4 | 3.3 | 9.8 | 7.2 | 1.1 | 2.2 | 1.08 |
| Don Wilson | NYM | sp | 26 | 24 | 3 | 12 | 12 | 7 | 0 | 9 | 3 | 8.0 | 3.0 | 11.4 | 5.8 | 1.0 | 1.9 | 1.22 |
| Earl Wilson | BOS | sp | 35 | 16 | 8 | 1 | 5 | 0 | 0 | 4 | 6 | 9.2 | 2.4 | 11.9 | 6.2 | 1.1 | 2.6 | 1.29 |
| Rick Wise | PIT | sp | 25 | 18 | 9 | 4 | 3 | 8 | 0 | 10 | 7 | 8.8 | 3.0 | 12.0 | 5.6 | 0.6 | 1.8 | 1.32 |
| Wilbur Wood* | MIN | sp | 29 | 20 | 5 | 3 | 7 | 4 | 0 | 11 | 7 | 8.4 | 1.7 | 10.3 | 6.9 | 0.5 | 4.1 | 1.12 |
| Dick Woodson | PHI | rp | 25 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 6.5 | 3.8 | 10.6 | 5.5 | 1.7 | 1.5 | 1.14 |
| Clyde Wright* | CAA | sp | 30 | 6 | 7 | 6 | 3 | 12 | 0 | 8 | 4 | 8.3 | 2.7 | 11.1 | 5.8 | 0.6 | 2.2 | 1.22 |
| Ken Wright | MON | sp | 24 | 5 | 3 | 8 | 4 | 7 | 0 | 4 | 2 | 8.1 | 6.5 | 15.0 | 6.9 | 0.8 | 1.1 | 1.62 |
| Jim York | WSH | rp | 23 | 10 | 5 | 5 | 5 | 10 | 0 | 1 | 7 | 6.3 | 3.7 | 10.4 | 10.5 | 0.6 | 2.8 | 1.11 |
| Chris Zachary | NYY | sp | 27 | 3 | 3 | 4 | 3 | 2 | 0 | 7 | 4 | 14.1 | 2.6 | 16.9 | 5.1 | 0.6 | 2.0 | 1.85 |
| Bill Zepp | PIT | rp | 23 | 4 | 3 | 2 | 3 | 2 | 0 | 6 | 3 | 8.9 | 4.6 | 13.8 | 3.6 | 0.3 | 0.8 | 1.49 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Ted Abernathy | STL | rp | 38 | .721 | 196 | .255 | 128 | .441 | 132 | .455 | 33.9 | 4.6 | 4.08 | 4.27 |
| Ed Acosta | NYM | sp | 27 | .751 | 195 | .282 | 103 | .446 | 105 | .455 | 27.7 | 4.6 | 4.20 | 4.38 |
| Jack Aker | MIL | rp | 29 | .639 | 248 | .294 | 111 | .357 | 113 | .363 | 28.4 | 3.4 | 3.10 | 3.47 |
| Doyle Alexander | PHI | sp | 20 | .802 | 304 | .306 | 176 | .477 | 176 | .477 | 50.8 | 5.5 | 5.06 | 5.22 |
| Lloyd Allen | PIT | rp | 21 | .631 | 115 | .296 | 56 | .361 | 57 | .368 | 12.9 | 3.1 | 2.77 | 2.93 |
| Steve Arlin | CIN | sp | 25 | .656 | 691 | .288 | 377 | .388 | 384 | .395 | 95.9 | 3.8 | 3.48 | 3.65 |
| Rick Austin* | LAD | rp | 23 | .903 | 120 | .325 | 100 | .559 | 103 | .575 | 30.7 | 7.0 | 6.48 | 6.20 |
| Stan Bahnsen | HOU | sp | 26 | .722 | 727 | .276 | 409 | .437 | 411 | .439 | 105.4 | 4.2 | 3.89 | 3.99 |
| Dave Baldwin | NYM | rp | 32 | .846 | 123 | .220 | 98 | .544 | 98 | .544 | 29.1 | 6.7 | 6.20 | 6.10 |
| Mark Ballinger | ATL | rp | 22 | .761 | 130 | .292 | 90 | .469 | 91 | .474 | 25.8 | 5.6 | 5.15 | 5.54 |
| Steve Barber* | BAL | rp | 32 | .717 | 328 | .314 | 171 | .405 | 177 | .419 | 47.0 | 4.2 | 3.83 | 3.80 |
| Jim Barr | OAK | rp | 23 | .776 | 113 | .257 | 72 | .480 | 73 | .487 | 19.7 | 5.0 | 4.79 | 4.76 |
| Fred Beene | CAA | rp | 27 | .997 | 28 | .357 | 26 | .634 | 26 | .634 | 8.6 | 8.6 | 7.42 | 7.54 |
| Jerry Bell | NYM | rp | 23 | .550 | 59 | .203 | 30 | .357 | 30 | .357 | 5.3 | 2.2 | 2.07 | 1.53 |
| Frank Bertaina* | BOS | sp | 26 | .912 | 75 | .400 | 50 | .526 | 50 | .526 | 16.1 | 7.2 | 6.74 | 6.89 |
| Jack Billingham | CAA | sp | 28 | .747 | 439 | .333 | 237 | .414 | 245 | .428 | 68.7 | 4.7 | 4.30 | 4.69 |
| Wade Blasingame* | MIL | sp | 27 | .852 | 584 | .337 | 390 | .502 | 403 | .519 | 126.7 | 6.7 | 6.06 | 5.42 |
| Steve Blass | ATL | sp | 29 | .729 | 582 | .302 | 336 | .437 | 337 | .438 | 93.0 | 4.7 | 4.27 | 4.33 |
| Vida Blue* | MIL | sp | 21 | .637 | 644 | .292 | 385 | .388 | 389 | .392 | 92.0 | 3.4 | 3.11 | 2.88 |
| Bert Blyleven | MIN | sp | 20 | .708 | 715 | .309 | 421 | .421 | 428 | .428 | 112.5 | 4.2 | 3.81 | 3.65 |
| Bobby Bolin | NYY | rp | 32 | .824 | 111 | .279 | 78 | .520 | 79 | .527 | 22.8 | 6.2 | 5.66 | 5.14 |
| Pedro Borbon | SFG | rp | 23 | 1.222 | 17 | .529 | 18 | .667 | 19 | .704 | 7.6 | 20.5 | 16.80 | 23.22 |
| Dick Bosman | ATL | sp | 26 | .824 | 703 | .314 | 468 | .506 | 471 | .509 | 137.2 | 5.9 | 5.41 | 5.11 |
| Dave Boswell | PIT | sp | 25 | .535 | 22 | .227 | 11 | .344 | 11 | .344 | 2.1 | 2.4 | 2.27 | 2.66 |
| Jim Bouton | KCR | rp | 31 | .780 | 229 | .358 | 138 | .448 | 138 | .448 | 46.1 | 6.3 | 5.80 | 5.89 |
| Gene Brabender | CHW | sp | 28 | .666 | 307 | .264 | 171 | .409 | 172 | .411 | 41.0 | 3.7 | 3.44 | 3.56 |
| Tom Bradley | CLE | sp | 24 | .603 | 839 | .272 | 396 | .355 | 402 | .360 | 92.9 | 3.0 | 2.75 | 2.49 |
| Bucky Brandon | MIL | rp | 30 | .851 | 259 | .363 | 185 | .504 | 187 | .510 | 57.7 | 6.8 | 6.23 | 6.64 |
| Ken Brett* | CHW | rp | 21 | .580 | 309 | .223 | 200 | .384 | 202 | .388 | 40.9 | 2.8 | 2.60 | 2.11 |
| Jim Brewer* | SFG | rp | 33 | .566 | 201 | .234 | 104 | .348 | 106 | .355 | 20.3 | 2.3 | 2.14 | 2.10 |
| Nelson Briles | NYM | rp | 27 | .664 | 570 | .284 | 280 | .389 | 282 | .392 | 70.8 | 3.6 | 3.30 | 3.22 |
| Pete Broberg | ATL | sp | 21 | .841 | 253 | .320 | 192 | .504 | 195 | .512 | 59.7 | 6.6 | 5.85 | 5.84 |
| Jackie Brown | KCR | rp | 27 | .760 | 207 | .246 | 164 | .487 | 165 | .490 | 41.2 | 4.9 | 4.45 | 4.89 |
| George Brunet* | SFG | sp | 35 | .732 | 479 | .278 | 287 | .445 | 288 | .447 | 75.0 | 4.4 | 4.06 | 4.10 |
| Ron Bryant* | BOS | sp | 23 | .765 | 551 | .294 | 349 | .469 | 353 | .474 | 92.5 | 4.8 | 4.34 | 4.33 |
| Wally Bunker | HOU | sp | 25 | .725 | 351 | .239 | 208 | .456 | 209 | .458 | 54.3 | 4.6 | 4.22 | 3.89 |
| Jim Bunning | DET | sp | 38 | .731 | 466 | .303 | 273 | .436 | 276 | .441 | 77.6 | 4.8 | 4.38 | 3.82 |
| Tom Burgmeier* | MIN | rp | 27 | .721 | 288 | .295 | 150 | .410 | 157 | .429 | 41.4 | 4.4 | 4.03 | 4.17 |
| Bill Butler* | LAD | sp | 23 | .768 | 552 | .272 | 371 | .482 | 373 | .484 | 97.1 | 4.9 | 4.48 | 4.77 |
| Les Cain* | KCR | sp | 22 | .759 | 637 | .352 | 432 | .444 | 438 | .450 | 129.0 | 5.4 | 4.97 | 5.32 |
| Fred Cambria | CIN | sp | 22 | .801 | 122 | .213 | 83 | .512 | 85 | .525 | 21.8 | 5.2 | 5.09 | 5.23 |
| Sal Campisi | MON | rp | 27 | .787 | 222 | .311 | 134 | .460 | 135 | .464 | 36.5 | 5.1 | 4.75 | 6.01 |
| Buzz Capra | CLE | rp | 23 | .890 | 21 | .286 | 13 | .591 | 13 | .591 | 3.9 | 7.0 | 6.32 | 3.60 |
| Steve Carlton* | STL | sp | 26 | .667 | 712 | .264 | 397 | .401 | 407 | .412 | 98.2 | 3.8 | 3.40 | 3.40 |
| Don Carrithers | KCR | sp | 21 | .758 | 335 | .293 | 208 | .453 | 212 | .462 | 61.2 | 5.6 | 5.16 | 5.22 |
| Clay Carroll | BOS | rp | 29 | .644 | 217 | .300 | 100 | .366 | 100 | .366 | 23.6 | 3.2 | 2.88 | 2.99 |
| Bill Champion | MIL | rp | 23 | .765 | 340 | .250 | 228 | .480 | 234 | .493 | 60.1 | 4.9 | 4.44 | 4.39 |
| Dean Chance | PIT | rp | 29 | .704 | 176 | .301 | 100 | .418 | 101 | .423 | 25.3 | 4.0 | 3.73 | 3.75 |
| Rickey Clark | KCR | sp | 25 | .701 | 167 | .281 | 107 | .426 | 109 | .434 | 29.4 | 4.8 | 4.35 | 4.97 |
| Reggie Cleveland | SFG | sp | 23 | .766 | 650 | .298 | 429 | .472 | 437 | .481 | 116.0 | 4.8 | 4.31 | 4.02 |
| Tony Cloninger | BAL | sp | 29 | .653 | 138 | .232 | 72 | .398 | 74 | .409 | 15.6 | 3.3 | 3.11 | 4.14 |
| Vince Colbert | MON | rp | 25 | .832 | 556 | .313 | 400 | .507 | 404 | .512 | 116.4 | 6.1 | 5.56 | 5.66 |
| Jim Colborn | CHC | rp | 24 | .818 | 243 | .362 | 144 | .466 | 147 | .476 | 45.3 | 5.9 | 5.42 | 5.17 |
| Joe Coleman | OAK | sp | 24 | .625 | 568 | .278 | 301 | .370 | 307 | .377 | 71.3 | 3.2 | 2.98 | 3.09 |
| Ron Cook* | MON | rp | 22 | .929 | 273 | .392 | 225 | .545 | 228 | .552 | 69.9 | 7.2 | 6.56 | 7.49 |
| Danny Coombs* | OAK | sp | 28 | .654 | 608 | .253 | 333 | .403 | 336 | .406 | 79.2 | 3.5 | 3.26 | 3.11 |
| Ray Corbin | CHC | rp | 22 | .813 | 432 | .285 | 307 | .507 | 308 | .508 | 86.5 | 5.7 | 5.26 | 5.55 |
| Mike Corkins | STL | sp | 24 | .828 | 188 | .234 | 148 | .534 | 149 | .538 | 41.4 | 6.2 | 5.69 | 5.61 |
| Casey Cox | HOU | sp | 28 | .745 | 200 | .240 | 109 | .450 | 113 | .467 | 28.9 | 4.5 | 4.15 | 4.30 |
| Jerry Crider | WSH | rp | 28 | .876 | 375 | .309 | 261 | .533 | 265 | .541 | 84.5 | 7.2 | 6.65 | 6.18 |
| Mike Cuellar* | SFG | sp | 33 | .758 | 662 | .273 | 433 | .473 | 436 | .477 | 115.8 | 4.8 | 4.39 | 4.25 |
| Ray Culp | ATL | sp | 28 | .684 | 682 | .270 | 412 | .423 | 419 | .430 | 103.9 | 4.0 | 3.64 | 3.35 |
| George Culver | CIN | rp | 27 | .797 | 116 | .310 | 83 | .488 | 84 | .494 | 24.2 | 5.8 | 5.29 | 4.86 |
| John Cumberland* | PHI | rp | 24 | .687 | 324 | .241 | 175 | .427 | 175 | .427 | 40.8 | 3.6 | 3.33 | 3.55 |
| John Curtis* | KCR | sp | 23 | .663 | 92 | .326 | 57 | .396 | 57 | .396 | 14.9 | 4.1 | 3.59 | 3.44 |
| Bruce Dal Canton | MIL | sp | 29 | .783 | 604 | .278 | 367 | .480 | 369 | .483 | 103.7 | 5.3 | 4.85 | 4.63 |
| Joe Decker | SDP | sp | 23 | .758 | 414 | .266 | 290 | .472 | 298 | .485 | 74.9 | 4.7 | 4.23 | 4.28 |
| Bill Denehy | CHC | rp | 25 | 1.000 | 113 | .301 | 102 | .630 | 104 | .642 | 33.5 | 9.0 | 8.31 | 8.89 |
| Larry Dierker | CAA | sp | 23 | .695 | 540 | .252 | 308 | .424 | 314 | .433 | 80.4 | 4.2 | 3.88 | 3.66 |
| Jack DiLauro* | KCR | rp | 27 | .720 | 27 | .222 | 17 | .459 | 17 | .459 | 4.5 | 4.8 | 4.36 | 3.62 |
| Chuck Dobson | CAA | sp | 26 | .796 | 626 | .252 | 425 | .501 | 430 | .506 | 117.0 | 5.4 | 4.98 | 5.04 |
| Pat Dobson | DET | sp | 29 | .761 | 641 | .281 | 402 | .466 | 407 | .472 | 112.1 | 5.0 | 4.64 | 4.68 |
| Al Downing* | DET | sp | 30 | .715 | 692 | .305 | 376 | .415 | 381 | .420 | 105.0 | 4.5 | 4.15 | 4.23 |
| Paul Doyle* | MIN | rp | 30 | 1.162 | 18 | .444 | 18 | .720 | 18 | .720 | 6.7 | 12.9 | 12.55 | 12.46 |
| Moe Drabowsky | KCR | rp | 34 | .905 | 191 | .293 | 160 | .569 | 163 | .580 | 49.9 | 7.4 | 6.92 | 6.34 |
| Dick Drago | PIT | sp | 26 | .726 | 699 | .316 | 363 | .415 | 370 | .423 | 96.9 | 4.2 | 3.87 | 4.16 |
| Tom Dukes | NYY | rp | 27 | .660 | 75 | .280 | 44 | .407 | 45 | .417 | 11.0 | 3.7 | 3.37 | 2.61 |
| Steve Dunning | BOS | sp | 22 | .805 | 538 | .271 | 409 | .506 | 413 | .511 | 115.0 | 5.7 | 5.18 | 5.15 |
| Dock Ellis | HOU | sp | 26 | .727 | 647 | .297 | 372 | .430 | 378 | .437 | 104.9 | 4.8 | 4.31 | 4.24 |
| Dick Ellsworth* | CIN | rp | 30 | .828 | 34 | .382 | 20 | .476 | 20 | .476 | 5.7 | 5.3 | 4.75 | 5.19 |
| Dick Ellsworth* | CHC | rp | 30 | .816 | 181 | .320 | 109 | .487 | 110 | .491 | 33.8 | 6.2 | 5.58 | 5.30 |
| Ed Farmer | BOS | rp | 21 | .833 | 225 | .311 | 167 | .506 | 170 | .515 | 49.4 | 6.3 | 5.69 | 6.06 |
| Rollie Fingers | CLE | rp | 24 | .703 | 194 | .268 | 117 | .440 | 117 | .440 | 28.3 | 3.9 | 3.55 | 3.39 |
| Eddie Fisher | CLE | rp | 33 | .739 | 190 | .268 | 112 | .452 | 115 | .464 | 31.7 | 5.0 | 4.50 | 4.15 |
| Al Fitzmorris | KCR | rp | 25 | .695 | 507 | .256 | 283 | .423 | 285 | .426 | 69.2 | 4.0 | 3.63 | 3.80 |
| Rich Folkers* | SDP | rp | 23 | 1.155 | 128 | .320 | 141 | .727 | 142 | .732 | 49.8 | 12.1 | 11.20 | 12.33 |
| Ken Forsch | MON | sp | 24 | .710 | 638 | .309 | 389 | .426 | 393 | .430 | 104.3 | 4.4 | 4.02 | 4.01 |
| Terry Forster* | SFG | rp | 19 | .603 | 106 | .274 | 61 | .367 | 62 | .373 | 14.6 | 3.3 | 3.10 | 3.05 |
| Alan Foster | NYM | sp | 24 | .676 | 461 | .230 | 269 | .432 | 270 | .434 | 61.5 | 3.6 | 3.30 | 3.12 |
| Danny Frisella | CAA | rp | 25 | .695 | 223 | .332 | 133 | .401 | 136 | .410 | 35.9 | 4.1 | 3.69 | 3.65 |
| Woodie Fryman* | NYY | rp | 31 | .836 | 274 | .332 | 193 | .505 | 195 | .510 | 58.0 | 6.5 | 5.94 | 6.51 |
| Gene Garber | SDP | rp | 22 | 1.034 | 100 | .330 | 86 | .656 | 87 | .664 | 25.9 | 7.8 | 7.22 | 8.01 |
| Rob Gardner* | PHI | rp | 26 | 1.800 | 4 | .500 | 6 | 1.200 | 6 | 1.200 | 3.6 | 48.6 | 43.74 | 46.37 |
| Mike Garman | MIL | sp | 21 | .665 | 70 | .171 | 42 | .420 | 45 | .450 | 9.2 | 3.4 | 3.40 | 4.23 |
| Greg Garrett* | CHW | rp | 22 | .599 | 146 | .185 | 97 | .409 | 97 | .409 | 17.7 | 2.6 | 2.42 | 2.39 |
| John Gelnar | CHC | rp | 27 | .798 | 389 | .306 | 231 | .468 | 238 | .482 | 65.4 | 5.2 | 4.79 | 5.15 |
| Gary Gentry | BAL | sp | 24 | .603 | 297 | .229 | 176 | .384 | 178 | .389 | 39.8 | 3.3 | 3.00 | 3.03 |
| Joe Gibbon* | NYY | rp | 36 | .610 | 117 | .308 | 65 | .361 | 66 | .367 | 14.9 | 3.0 | 2.74 | 2.89 |
| Bob Gibson | STL | sp | 34 | .601 | 723 | .284 | 397 | .365 | 401 | .369 | 90.7 | 3.1 | 2.81 | 2.66 |
| Dave Giusti | CHC | rp | 30 | .766 | 373 | .311 | 251 | .467 | 254 | .472 | 69.8 | 5.1 | 4.62 | 4.49 |
| Fred Gladding | MIL | rp | 35 | .794 | 145 | .345 | 78 | .422 | 86 | .465 | 22.5 | 4.9 | 4.48 | 5.66 |
| Bill Gogolewski | MON | sp | 23 | .732 | 495 | .305 | 283 | .439 | 284 | .440 | 75.5 | 4.4 | 4.11 | 3.78 |
| Wayne Granger | BOS | rp | 26 | .669 | 278 | .288 | 133 | .389 | 133 | .389 | 31.1 | 3.3 | 3.09 | 3.54 |
| Jim Grant | PHI | rp | 34 | .800 | 321 | .315 | 182 | .463 | 187 | .476 | 54.9 | 5.5 | 5.00 | 5.38 |
| Bill Greif | PHI | rp | 21 | 1.017 | 17 | .471 | 18 | .621 | 18 | .621 | 6.6 | 12.8 | 11.51 | 12.26 |
| Tom Griffin | MIL | sp | 22 | .869 | 451 | .302 | 347 | .529 | 353 | .538 | 109.9 | 7.2 | 6.54 | 6.39 |
| Ross Grimsley* | LAD | sp | 21 | .756 | 623 | .273 | 387 | .471 | 389 | .473 | 100.7 | 4.6 | 4.15 | 3.96 |
| Joe Grzenda* | CLE | rp | 34 | .559 | 173 | .249 | 80 | .335 | 81 | .339 | 14.1 | 2.0 | 1.81 | 1.91 |
| Don Gullett* | NYY | sp | 20 | .747 | 674 | .301 | 396 | .449 | 398 | .452 | 106.1 | 4.6 | 4.22 | 4.17 |
| Larry Gura* | ATL | rp | 22 | .784 | 34 | .324 | 23 | .442 | 25 | .481 | 6.8 | 5.7 | 4.72 | 5.93 |
| Dick Hall | CIN | rp | 39 | .646 | 155 | .232 | 78 | .404 | 78 | .404 | 17.7 | 3.2 | 2.96 | 2.92 |
| Tom Hall* | CHW | rp | 22 | .513 | 444 | .241 | 255 | .324 | 263 | .334 | 51.1 | 2.3 | 2.13 | 1.63 |
| Roger Hambright | ATL | rp | 22 | .829 | 51 | .216 | 43 | .573 | 43 | .573 | 9.7 | 4.8 | 4.36 | 3.94 |
| Steve Hamilton* | PHI | rp | 35 | .551 | 150 | .253 | 72 | .336 | 72 | .336 | 13.6 | 2.2 | 2.05 | 1.96 |
| Rich Hand | NYY | sp | 21 | .654 | 522 | .236 | 304 | .405 | 309 | .411 | 69.7 | 3.4 | 3.10 | 2.96 |
| Bill Hands | CIN | sp | 30 | .701 | 700 | .301 | 380 | .410 | 387 | .417 | 102.4 | 4.2 | 3.83 | 3.71 |
| Jim Hannan | SFG | rp | 30 | .725 | 243 | .218 | 148 | .463 | 148 | .463 | 34.7 | 4.0 | 3.73 | 3.74 |
| Jim Hardin | CLE | sp | 26 | .760 | 189 | .312 | 103 | .450 | 103 | .450 | 30.7 | 5.2 | 4.74 | 4.34 |
| Steve Hargan | OAK | sp | 27 | .502 | 256 | .172 | 109 | .320 | 111 | .326 | 19.3 | 2.0 | 1.81 | 1.93 |
| Chuck Hartenstein | HOU | rp | 28 | .896 | 247 | .328 | 180 | .552 | 182 | .558 | 57.4 | 7.2 | 6.58 | 7.01 |
| Andy Hassler* | SDP | sp | 19 | 1.108 | 88 | .477 | 86 | .637 | 86 | .637 | 34.7 | 13.0 | 11.72 | 11.60 |
| Hal Haydel | KCR | rp | 26 | .867 | 67 | .373 | 50 | .505 | 53 | .535 | 16.2 | 7.3 | 6.79 | 6.81 |
| Mike Hedlund | SDP | sp | 24 | .755 | 793 | .253 | 483 | .472 | 485 | .474 | 123.7 | 4.7 | 4.32 | 4.73 |
| Phil Hennigan | CAA | rp | 25 | .870 | 107 | .327 | 100 | .549 | 100 | .549 | 28.8 | 6.5 | 5.78 | 6.13 |
| Ron Herbel | MIL | rp | 32 | .791 | 245 | .265 | 153 | .487 | 155 | .494 | 42.6 | 5.3 | 4.86 | 4.85 |
| Ron Herbel | BOS | rp | 32 | .725 | 242 | .244 | 144 | .449 | 149 | .464 | 34.8 | 4.0 | 3.63 | 3.67 |
| Ramon Hernandez* | CAA | rp | 30 | .393 | 6 | .167 | 2 | .250 | 2 | .250 | 0.3 | 1.4 | 1.28 | 1.41 |
| Dennis Higgins | WSH | rp | 30 | .773 | 149 | .329 | 116 | .475 | 118 | .484 | 31.7 | 5.2 | 4.81 | 4.91 |
| Tom Hilgendorf* | SDP | rp | 28 | .726 | 97 | .309 | 52 | .419 | 52 | .419 | 15.2 | 4.9 | 4.56 | 4.85 |
| John Hiller* | CAA | rp | 27 | .709 | 114 | .360 | 71 | .423 | 71 | .423 | 20.4 | 5.1 | 4.60 | 4.56 |
| Joe Hoerner* | CHW | rp | 34 | .555 | 159 | .252 | 81 | .343 | 81 | .343 | 17.4 | 2.7 | 2.45 | 2.15 |
| Ken Holtzman* | PHI | sp | 24 | .726 | 797 | .295 | 504 | .448 | 507 | .451 | 131.0 | 4.4 | 4.02 | 3.82 |
| Burt Hooton | CHW | sp | 21 | .371 | 74 | .162 | 32 | .250 | 32 | .250 | 4.4 | 1.2 | 1.06 | 1.04 |
| Joe Horlen | CHW | sp | 33 | .704 | 564 | .314 | 293 | .405 | 300 | .414 | 82.7 | 4.4 | 4.01 | 3.92 |
| Charlie Hough | SDP | rp | 22 | .899 | 77 | .273 | 63 | .568 | 63 | .568 | 19.5 | 7.1 | 6.67 | 6.73 |
| Tom House* | MIN | rp | 24 | .682 | 82 | .354 | 38 | .365 | 38 | .365 | 10.9 | 4.2 | 3.84 | 4.34 |
| Al Hrabosky* | CHW | rp | 20 | 1.263 | 20 | .450 | 20 | .714 | 21 | .750 | 9.5 | 19.8 | 17.84 | 17.70 |
| Bob Humphreys | CIN | rp | 34 | .733 | 129 | .302 | 78 | .443 | 79 | .449 | 21.7 | 5.1 | 4.63 | 4.78 |
| Catfish Hunter | HOU | sp | 25 | .736 | 633 | .270 | 413 | .466 | 417 | .471 | 103.8 | 4.4 | 3.99 | 3.74 |
| Grant Jackson* | NYM | rp | 28 | .633 | 211 | .246 | 110 | .393 | 110 | .393 | 25.5 | 3.3 | 3.06 | 2.90 |
| Jerry Janeski | MON | sp | 24 | .864 | 743 | .328 | 472 | .514 | 477 | .520 | 143.4 | 6.3 | 5.80 | 6.26 |
| Pat Jarvis | PIT | sp | 29 | .647 | 710 | .270 | 373 | .389 | 377 | .394 | 91.6 | 3.6 | 3.25 | 3.17 |
| Ferguson Jenkins | PHI | sp | 27 | .645 | 831 | .270 | 460 | .397 | 463 | .400 | 110.8 | 3.5 | 3.14 | 2.73 |
| Tommy John* | CLE | sp | 27 | .646 | 780 | .264 | 392 | .382 | 400 | .390 | 90.0 | 3.2 | 2.90 | 2.96 |
| Bart Johnson | OAK | rp | 21 | .639 | 455 | .257 | 291 | .403 | 295 | .409 | 64.6 | 3.4 | 3.05 | 3.20 |
| Bob Johnson | CIN | sp | 27 | .673 | 621 | .285 | 401 | .412 | 410 | .421 | 99.8 | 3.9 | 3.52 | 3.45 |
| Jerry Johnson | SDP | rp | 27 | .708 | 342 | .289 | 215 | .430 | 215 | .430 | 58.7 | 4.7 | 4.22 | 4.53 |
| Jim Kaat* | MIN | sp | 32 | .690 | 708 | .312 | 342 | .391 | 349 | .399 | 95.4 | 4.1 | 3.75 | 3.52 |
| Steve Kealey | MON | rp | 24 | .792 | 254 | .303 | 168 | .491 | 168 | .491 | 49.0 | 5.7 | 5.18 | 5.00 |
| Mike Kekich* | WSH | sp | 26 | .749 | 526 | .298 | 324 | .451 | 327 | .455 | 90.1 | 5.0 | 4.55 | 4.50 |
| Dick Kelley* | DET | rp | 31 | .863 | 167 | .329 | 132 | .537 | 133 | .541 | 40.0 | 6.6 | 6.00 | 5.60 |
| Tom Kelley | MIL | sp | 27 | .850 | 577 | .338 | 395 | .503 | 399 | .508 | 125.8 | 6.9 | 6.29 | 6.77 |
| Mike Kilkenny* | BOS | rp | 26 | .763 | 183 | .240 | 131 | .487 | 133 | .494 | 33.3 | 4.8 | 4.45 | 4.76 |
| Clay Kirby | PHI | sp | 23 | .693 | 691 | .263 | 473 | .436 | 476 | .439 | 117.6 | 4.1 | 3.79 | 3.62 |
| Bruce Kison | MIN | sp | 21 | .853 | 152 | .289 | 120 | .511 | 125 | .532 | 36.9 | 6.6 | 5.94 | 6.24 |
| Ron Klimkowski | HOU | rp | 26 | .698 | 379 | .253 | 195 | .411 | 197 | .416 | 51.0 | 4.1 | 3.78 | 3.82 |
| Steve Kline | BOS | sp | 23 | .724 | 737 | .278 | 381 | .433 | 381 | .433 | 96.9 | 4.1 | 3.73 | 3.93 |
| Darold Knowles* | CLE | rp | 29 | .761 | 103 | .350 | 64 | .451 | 65 | .458 | 17.7 | 4.9 | 4.44 | 4.44 |
| Cal Koonce | OAK | rp | 29 | .674 | 178 | .242 | 101 | .407 | 106 | .427 | 23.7 | 3.5 | 3.15 | 3.31 |
| Jerry Koosman* | BAL | sp | 27 | .655 | 521 | .250 | 292 | .406 | 296 | .411 | 68.7 | 3.5 | 3.17 | 3.04 |
| Lew Krausse | STL | sp | 28 | .807 | 624 | .282 | 433 | .504 | 440 | .512 | 125.0 | 5.8 | 5.18 | 4.88 |
| Marcel Lachemann | LAD | rp | 29 | .763 | 121 | .331 | 80 | .465 | 80 | .465 | 20.8 | 4.6 | 4.07 | 4.23 |
| Lerrin LaGrow | KCR | rp | 21 | 1.022 | 61 | .361 | 41 | .539 | 43 | .566 | 17.1 | 10.8 | 9.68 | 9.15 |
| John Lamb | ATL | rp | 23 | .809 | 104 | .327 | 82 | .506 | 84 | .519 | 23.9 | 6.1 | 5.54 | 5.28 |
| Ray Lamb | OAK | rp | 26 | .691 | 346 | .283 | 186 | .409 | 188 | .413 | 49.1 | 4.1 | 3.74 | 3.85 |
| Dave LaRoche* | SFG | rp | 23 | .725 | 219 | .297 | 143 | .450 | 144 | .453 | 37.5 | 4.5 | 4.13 | 3.55 |
| Fred Lasher | KCR | rp | 28 | .776 | 232 | .310 | 162 | .467 | 167 | .481 | 46.3 | 5.4 | 4.91 | 5.15 |
| Bill Lee* | CIN | rp | 24 | .790 | 297 | .340 | 192 | .474 | 192 | .474 | 53.9 | 5.2 | 4.76 | 5.00 |
| Denny Lemaster* | BOS | rp | 32 | .859 | 132 | .311 | 94 | .522 | 95 | .528 | 29.3 | 6.9 | 6.19 | 6.22 |
| Dave Leonhard | KCR | sp | 30 | .775 | 220 | .291 | 130 | .463 | 132 | .470 | 38.6 | 5.6 | 5.24 | 5.55 |
| Barry Lersch | PHI | sp | 26 | .700 | 125 | .248 | 75 | .439 | 76 | .444 | 18.8 | 4.1 | 3.77 | 3.65 |
| Paul Lindblad* | CHW | rp | 29 | .570 | 289 | .208 | 141 | .356 | 143 | .361 | 27.5 | 2.4 | 2.20 | 2.11 |
| Frank Linzy | CIN | rp | 30 | .588 | 221 | .226 | 100 | .364 | 100 | .364 | 22.9 | 3.0 | 2.80 | 2.42 |
| Bob Locker | LAD | rp | 33 | .705 | 257 | .307 | 147 | .424 | 147 | .424 | 39.2 | 4.3 | 3.95 | 3.70 |
| Skip Lockwood | MIN | sp | 24 | .754 | 196 | .286 | 117 | .448 | 119 | .456 | 30.7 | 4.6 | 4.12 | 4.50 |
| Mickey Lolich* | DET | sp | 30 | .629 | 661 | .268 | 389 | .392 | 394 | .397 | 90.4 | 3.3 | 3.04 | 2.72 |
| Jim Lonborg | CHW | sp | 29 | .735 | 628 | .299 | 368 | .431 | 382 | .447 | 103.7 | 4.7 | 4.29 | 4.23 |
| Marcelino Lopez* | MIL | rp | 26 | .657 | 100 | .300 | 60 | .397 | 61 | .404 | 13.7 | 3.4 | 3.08 | 3.17 |
| Marcelino Lopez* | OAK | rp | 26 | .577 | 12 | .167 | 9 | .409 | 9 | .409 | 1.7 | 2.7 | 2.44 | 1.94 |
| Sparky Lyle* | STL | rp | 26 | .602 | 95 | .189 | 58 | .387 | 59 | .393 | 13.4 | 3.4 | 3.16 | 3.24 |
| Juan Marichal | SFG | sp | 33 | .684 | 679 | .268 | 366 | .410 | 371 | .415 | 95.2 | 4.0 | 3.60 | 3.35 |
| Mike Marshall | MIL | rp | 28 | .991 | 184 | .391 | 158 | .579 | 164 | .601 | 56.7 | 9.5 | 8.78 | 9.05 |
| Jon Matlack* | SDP | sp | 21 | .762 | 129 | .310 | 98 | .469 | 98 | .469 | 27.4 | 5.5 | 5.01 | 4.71 |
| Rudy May* | MIN | sp | 26 | .674 | 636 | .289 | 385 | .413 | 389 | .417 | 93.6 | 3.7 | 3.45 | 3.35 |
| Ernie McAnally | LAD | sp | 24 | .740 | 596 | .248 | 419 | .476 | 420 | .477 | 106.5 | 4.8 | 4.35 | 4.53 |
| Jim McAndrew | ATL | sp | 26 | .926 | 435 | .363 | 322 | .564 | 324 | .567 | 109.4 | 8.1 | 7.43 | 6.84 |
| Mike McCormick* | KCR | rp | 31 | .860 | 226 | .332 | 151 | .508 | 155 | .522 | 50.6 | 7.0 | 6.44 | 6.34 |
| Lindy McDaniel | CHC | rp | 34 | .630 | 271 | .310 | 131 | .361 | 131 | .361 | 33.4 | 3.4 | 3.09 | 2.95 |
| Sam McDowell* | CLE | sp | 27 | .615 | 700 | .277 | 432 | .382 | 437 | .387 | 95.1 | 3.1 | 2.79 | 2.66 |
| Dan McGinn* | MIL | rp | 26 | .805 | 91 | .286 | 68 | .489 | 70 | .504 | 20.2 | 6.1 | 5.58 | 6.00 |
| Jim McGlothlin | PHI | sp | 27 | .670 | 540 | .261 | 301 | .411 | 305 | .416 | 70.4 | 3.5 | 3.23 | 3.43 |
| Tug McGraw* | BOS | rp | 26 | .669 | 236 | .314 | 183 | .425 | 186 | .432 | 42.3 | 3.6 | 3.25 | 3.08 |
| Denny McLain | NYY | sp | 27 | 1.004 | 272 | .349 | 221 | .621 | 222 | .624 | 76.5 | 9.5 | 8.56 | 8.89 |
| Don McMahon | ATL | rp | 40 | .635 | 216 | .273 | 119 | .390 | 119 | .390 | 28.5 | 3.5 | 3.16 | 3.00 |
| Dave McNally* | BAL | sp | 28 | .595 | 772 | .228 | 342 | .360 | 347 | .366 | 72.9 | 2.7 | 2.50 | 2.38 |
| Mike McQueen* | DET | rp | 20 | .657 | 167 | .257 | 100 | .413 | 101 | .417 | 21.8 | 3.3 | 2.94 | 3.06 |
| Norm McRae | ATL | rp | 22 | .900 | 46 | .348 | 36 | .537 | 36 | .537 | 11.3 | 8.2 | 7.22 | 10.08 |
| Jim Merritt* | CHW | sp | 26 | .707 | 674 | .274 | 369 | .432 | 372 | .435 | 90.5 | 3.9 | 3.55 | 3.21 |
| Andy Messersmith | WSH | sp | 25 | .661 | 661 | .274 | 367 | .398 | 369 | .400 | 93.0 | 3.9 | 3.55 | 3.64 |
| Pete Mikkelsen | LAD | rp | 30 | .632 | 239 | .234 | 127 | .390 | 129 | .396 | 29.4 | 3.3 | 3.02 | 3.02 |
| Bob Miller | CIN | rp | 32 | .777 | 277 | .296 | 171 | .461 | 175 | .472 | 47.3 | 5.0 | 4.64 | 4.74 |
| Steve Mingori* | CHC | rp | 27 | .510 | 119 | .176 | 61 | .333 | 62 | .339 | 11.3 | 2.1 | 1.90 | 1.60 |
| Joe Moeller | SDP | sp | 27 | .822 | 199 | .261 | 129 | .504 | 131 | .512 | 38.1 | 5.9 | 5.35 | 5.12 |
| Joe Moeller | DET | sp | 27 | .774 | 203 | .305 | 121 | .471 | 122 | .475 | 35.5 | 5.4 | 4.87 | 4.61 |
| Aurelio Monteagudo | NYM | rp | 26 | .736 | 94 | .255 | 63 | .477 | 63 | .477 | 15.3 | 4.3 | 3.84 | 3.67 |
| Monty Montgomery | NYM | sp | 24 | .525 | 81 | .222 | 31 | .301 | 32 | .311 | 7.2 | 2.5 | 2.35 | 2.10 |
| Balor Moore* | CIN | rp | 19 | .629 | 8 | .250 | 6 | .429 | 6 | .429 | 1.3 | 4.4 | 4.52 | 6.84 |
| Barry Moore* | WSH | sp | 27 | .841 | 275 | .284 | 194 | .511 | 202 | .532 | 57.2 | 6.0 | 5.63 | 5.84 |
| Bob Moose | ATL | sp | 22 | .726 | 454 | .306 | 260 | .433 | 260 | .433 | 68.0 | 4.3 | 3.91 | 4.08 |
| Dave Morehead | MON | sp | 27 | .689 | 501 | .283 | 277 | .409 | 280 | .414 | 67.3 | 3.8 | 3.52 | 4.14 |
| Roger Moret* | NYM | sp | 21 | .653 | 134 | .231 | 82 | .414 | 82 | .414 | 19.0 | 3.6 | 3.28 | 2.99 |
| John Morris* | SDP | rp | 28 | .765 | 288 | .344 | 178 | .448 | 181 | .456 | 51.6 | 5.3 | 4.79 | 4.95 |
| Carl Morton | OAK | sp | 26 | .695 | 401 | .317 | 222 | .405 | 224 | .409 | 60.4 | 4.4 | 3.99 | 4.19 |
| Danny Murphy | SDP | rp | 27 | .764 | 53 | .283 | 34 | .442 | 37 | .481 | 9.2 | 5.3 | 4.64 | 6.16 |
| Tom Murphy | NYY | sp | 25 | .736 | 688 | .262 | 394 | .440 | 407 | .454 | 104.6 | 4.5 | 4.17 | 4.39 |
| Mike Nagy | NYY | sp | 22 | .872 | 58 | .328 | 35 | .493 | 35 | .493 | 11.8 | 6.9 | 6.50 | 6.71 |
| Jim Nash | OAK | sp | 25 | .688 | 620 | .276 | 337 | .410 | 344 | .418 | 89.5 | 4.2 | 3.82 | 3.53 |
| Gary Neibauer | DET | rp | 26 | .708 | 92 | .239 | 47 | .402 | 51 | .436 | 13.7 | 4.7 | 4.43 | 4.19 |
| Jim Nelson | MON | sp | 22 | .933 | 257 | .342 | 219 | .566 | 222 | .574 | 68.4 | 7.4 | 6.76 | 7.37 |
| Roger Nelson | CIN | rp | 27 | .645 | 129 | .302 | 68 | .391 | 69 | .397 | 14.3 | 2.8 | 2.59 | 2.23 |
| Ray Newman* | ATL | rp | 26 | .606 | 123 | .244 | 77 | .389 | 77 | .389 | 15.2 | 2.8 | 2.53 | 2.84 |
| Joe Niekro | CHC | sp | 25 | .824 | 756 | .310 | 473 | .491 | 477 | .495 | 147.6 | 6.2 | 5.69 | 5.58 |
| Phil Niekro | ATL | sp | 32 | .731 | 717 | .273 | 451 | .457 | 453 | .459 | 111.0 | 4.2 | 3.77 | 3.61 |
| Gary Nolan | HOU | sp | 23 | .691 | 651 | .255 | 368 | .431 | 370 | .433 | 92.0 | 4.0 | 3.61 | 3.19 |
| Fred Norman* | PIT | sp | 28 | .757 | 86 | .314 | 60 | .469 | 60 | .469 | 16.6 | 5.1 | 4.73 | 3.97 |
| Rich Nye* | CAA | rp | 25 | .296 | 21 | .190 | 4 | .148 | 4 | .148 | 0.6 | 0.7 | 0.65 | 0.61 |
| Bob O'Brien* | CIN | rp | 22 | .779 | 59 | .339 | 32 | .438 | 33 | .452 | 9.7 | 5.4 | 4.92 | 5.08 |
| Bob O'Brien* | HOU | rp | 22 | 1.250 | 7 | .571 | 8 | .667 | 9 | .750 | 3.3 | 14.7 | 13.20 | 14.11 |
| John O'Donoghue* | HOU | rp | 30 | .829 | 163 | .288 | 112 | .502 | 114 | .511 | 33.3 | 6.0 | 5.43 | 5.28 |
| Blue Moon Odom | NYM | sp | 25 | .727 | 571 | .238 | 396 | .459 | 403 | .467 | 104.1 | 4.9 | 4.48 | 4.77 |
| Claude Osteen* | BAL | sp | 31 | .720 | 673 | .282 | 374 | .434 | 378 | .439 | 95.1 | 4.1 | 3.80 | 3.80 |
| Jim Palmer | BAL | sp | 24 | .658 | 764 | .276 | 391 | .393 | 394 | .396 | 100.2 | 3.8 | 3.42 | 3.18 |
| Lowell Palmer | BOS | rp | 22 | .895 | 326 | .316 | 267 | .547 | 274 | .561 | 80.2 | 6.7 | 6.18 | 6.34 |
| Milt Pappas | BAL | sp | 32 | .715 | 678 | .273 | 373 | .431 | 378 | .436 | 97.2 | 4.2 | 3.84 | 3.85 |
| Harry Parker | PHI | sp | 22 | .793 | 69 | .319 | 43 | .473 | 43 | .473 | 12.7 | 6.1 | 5.49 | 6.38 |
| Bill Parsons | CHC | sp | 22 | .821 | 700 | .300 | 490 | .508 | 493 | .511 | 141.5 | 5.8 | 5.37 | 5.33 |
| Daryl Patterson | SDP | rp | 26 | .722 | 50 | .340 | 33 | .429 | 33 | .429 | 9.3 | 5.0 | 4.45 | 4.86 |
| Marty Pattin | CHW | sp | 27 | .666 | 661 | .275 | 354 | .400 | 359 | .405 | 91.2 | 3.8 | 3.52 | 3.28 |
| Mike Paul* | DET | sp | 26 | .983 | 155 | .400 | 114 | .579 | 115 | .584 | 38.9 | 8.4 | 7.68 | 8.50 |
| Jose Pena | CAA | rp | 28 | .728 | 123 | .260 | 95 | .470 | 95 | .470 | 24.9 | 5.0 | 4.59 | 4.54 |
| Orlando Pena | DET | rp | 36 | .826 | 144 | .278 | 97 | .511 | 100 | .526 | 27.6 | 5.6 | 5.20 | 5.44 |
| Ron Perranoski* | CAA | rp | 34 | .703 | 292 | .315 | 142 | .397 | 143 | .399 | 35.3 | 3.8 | 3.46 | 4.19 |
| Gaylord Perry | SFG | sp | 31 | .705 | 729 | .280 | 424 | .428 | 432 | .436 | 105.1 | 3.9 | 3.63 | 3.59 |
| Jim Perry | CLE | sp | 34 | .643 | 902 | .269 | 438 | .385 | 441 | .387 | 105.1 | 3.4 | 3.04 | 2.93 |
| Gary Peters* | PIT | sp | 33 | .751 | 637 | .342 | 396 | .438 | 403 | .446 | 116.4 | 5.1 | 4.63 | 4.33 |
| Fritz Peterson* | NYY | sp | 28 | .631 | 760 | .276 | 336 | .362 | 340 | .366 | 83.6 | 3.2 | 2.95 | 2.73 |
| Tom Phoebus | OAK | sp | 28 | .699 | 221 | .258 | 128 | .432 | 129 | .436 | 33.0 | 4.4 | 3.96 | 3.93 |
| Horacio Pina | MIL | rp | 25 | .640 | 72 | .264 | 37 | .381 | 37 | .381 | 9.4 | 3.8 | 3.58 | 4.04 |
| Skip Pitlock* | MON | sp | 22 | .800 | 274 | .277 | 211 | .507 | 213 | .512 | 56.4 | 5.3 | 4.78 | 4.78 |
| Juan Pizarro* | STL | sp | 34 | .560 | 212 | .179 | 108 | .350 | 113 | .366 | 23.3 | 2.7 | 2.49 | 2.23 |
| Bob Priddy | KCR | rp | 30 | .846 | 147 | .327 | 95 | .505 | 96 | .511 | 30.8 | 7.3 | 6.63 | 6.17 |
| Mel Queen | CIN | rp | 29 | .816 | 145 | .345 | 92 | .460 | 97 | .485 | 30.1 | 6.3 | 5.80 | 5.92 |
| Mel Queen | PIT | rp | 29 | .565 | 52 | .288 | 25 | .321 | 26 | .333 | 6.3 | 3.1 | 3.01 | 2.99 |
| Jim Ray | PHI | rp | 26 | .691 | 218 | .261 | 125 | .415 | 129 | .429 | 32.2 | 4.1 | 3.76 | 3.63 |
| Claude Raymond | KCR | rp | 33 | .629 | 246 | .252 | 139 | .387 | 142 | .396 | 31.0 | 3.1 | 2.88 | 2.72 |
| Frank Reberger | BOS | sp | 27 | .730 | 162 | .241 | 105 | .455 | 106 | .459 | 24.6 | 4.0 | 3.62 | 3.93 |
| Bob Reed | WSH | rp | 25 | .786 | 206 | .330 | 118 | .454 | 118 | .454 | 33.0 | 4.9 | 4.44 | 4.57 |
| Howie Reed | WSH | rp | 33 | .792 | 261 | .310 | 161 | .472 | 162 | .475 | 46.4 | 5.6 | 5.19 | 5.59 |
| Ron Reed | BAL | sp | 28 | .661 | 222 | .261 | 118 | .403 | 119 | .406 | 29.4 | 3.7 | 3.39 | 3.08 |
| Phil Regan | LAD | rp | 33 | .694 | 250 | .272 | 120 | .401 | 121 | .405 | 31.2 | 3.9 | 3.61 | 3.73 |
| Steve Renko | KCR | sp | 26 | .733 | 769 | .263 | 464 | .447 | 467 | .450 | 129.0 | 5.0 | 4.52 | 4.48 |
| Jerry Reuss* | STL | sp | 21 | .817 | 80 | .387 | 51 | .468 | 51 | .468 | 14.4 | 5.3 | 4.73 | 5.70 |
| Bob Reynolds | PHI | rp | 24 | 2.433 | 3 | 1.000 | 9 | 1.500 | 9 | 1.500 | 6.9 | 185.9 | 83.63 | 83.49 |
| Ken Reynolds* | WSH | sp | 24 | .690 | 588 | .252 | 336 | .418 | 342 | .426 | 81.7 | 3.9 | 3.58 | 3.70 |
| J.R. Richard | ATL | sp | 21 | .742 | 59 | .356 | 59 | .476 | 59 | .476 | 15.4 | 5.5 | 5.07 | 6.35 |
| Pete Richert* | CAA | rp | 30 | .623 | 87 | .241 | 63 | .401 | 64 | .408 | 13.3 | 3.1 | 2.76 | 2.69 |
| Denny Riddleberger* | LAD | rp | 25 | .725 | 177 | .282 | 119 | .456 | 120 | .460 | 31.2 | 4.6 | 4.23 | 4.13 |
| Dave Roberts* | DET | sp | 26 | .666 | 719 | .288 | 374 | .394 | 380 | .400 | 90.9 | 3.5 | 3.23 | 3.28 |
| Rich Robertson | CHC | sp | 25 | .907 | 522 | .326 | 427 | .565 | 428 | .566 | 137.4 | 7.8 | 7.10 | 7.10 |
| Jim Roland* | DET | rp | 28 | .632 | 168 | .208 | 88 | .381 | 94 | .407 | 19.7 | 3.1 | 2.82 | 2.89 |
| Vicente Romo | PIT | rp | 28 | .663 | 107 | .262 | 62 | .405 | 62 | .405 | 15.8 | 4.1 | 3.63 | 3.64 |
| Jim Rooker* | CAA | sp | 27 | .719 | 616 | .286 | 380 | .438 | 382 | .440 | 101.7 | 4.7 | 4.30 | 4.42 |
| Gary Ross | KCR | rp | 22 | .904 | 265 | .328 | 188 | .536 | 193 | .550 | 58.9 | 6.9 | 6.36 | 7.38 |
| Nolan Ryan | STL | sp | 23 | .649 | 423 | .234 | 303 | .416 | 309 | .424 | 70.9 | 3.9 | 3.52 | 3.84 |
| Ray Sadecki* | STL | sp | 30 | .664 | 579 | .273 | 336 | .400 | 344 | .410 | 86.1 | 3.9 | 3.49 | 3.23 |
| Ken Sanders | STL | rp | 29 | .708 | 293 | .256 | 174 | .441 | 177 | .448 | 41.9 | 3.9 | 3.54 | 3.54 |
| Al Santorini | LAD | sp | 22 | .866 | 325 | .277 | 239 | .525 | 247 | .543 | 69.9 | 6.3 | 5.73 | 6.24 |
| Fred Scherman* | SDP | rp | 26 | .794 | 457 | .282 | 286 | .476 | 293 | .488 | 78.7 | 5.2 | 4.75 | 4.73 |
| Tom Seaver | NYM | sp | 26 | .729 | 721 | .316 | 489 | .447 | 492 | .450 | 131.1 | 4.6 | 4.15 | 3.84 |
| Chuck Seelbach | CLE | rp | 23 | 1.518 | 20 | .350 | 33 | .892 | 35 | .946 | 13.8 | 20.7 | 18.62 | 24.61 |
| Diego Segui | SFG | rp | 32 | .696 | 317 | .252 | 185 | .429 | 188 | .436 | 45.7 | 4.1 | 3.73 | 4.00 |
| Dick Selma | PIT | rp | 26 | .657 | 307 | .277 | 210 | .410 | 212 | .414 | 49.0 | 3.6 | 3.25 | 3.41 |
| Al Severinsen | NYM | rp | 26 | .775 | 242 | .306 | 138 | .444 | 142 | .457 | 40.3 | 5.3 | 4.80 | 5.06 |
| Don Shaw* | NYY | rp | 27 | .620 | 65 | .277 | 31 | .352 | 33 | .375 | 7.5 | 3.5 | 3.16 | 3.98 |
| Jim Shellenback* | SDP | rp | 26 | .751 | 494 | .285 | 292 | .457 | 294 | .460 | 73.6 | 4.4 | 3.97 | 4.10 |
| Chris Short* | OAK | sp | 32 | .651 | 652 | .267 | 358 | .396 | 364 | .402 | 88.2 | 3.7 | 3.35 | 3.25 |
| Sonny Siebert | LAD | sp | 34 | .754 | 610 | .292 | 370 | .460 | 373 | .463 | 101.4 | 4.8 | 4.47 | 4.38 |
| Wayne Simpson | PIT | sp | 21 | .688 | 477 | .222 | 308 | .438 | 315 | .447 | 71.4 | 3.8 | 3.49 | 3.76 |
| Bill Singer | CLE | sp | 26 | .585 | 184 | .185 | 113 | .391 | 113 | .391 | 22.1 | 2.7 | 2.44 | 2.26 |
| Jim Slaton | HOU | sp | 21 | .802 | 588 | .267 | 397 | .500 | 403 | .508 | 105.7 | 5.2 | 4.77 | 5.22 |
| Scipio Spinks | CIN | sp | 23 | .458 | 64 | .250 | 27 | .265 | 28 | .275 | 5.1 | 1.7 | 1.58 | 1.65 |
| Paul Splittorff* | CAA | sp | 24 | .639 | 560 | .264 | 287 | .389 | 291 | .394 | 64.5 | 3.1 | 2.84 | 2.59 |
| Ed Sprague | HOU | rp | 25 | .689 | 50 | .340 | 25 | .391 | 25 | .391 | 7.6 | 4.9 | 4.39 | 4.13 |
| George Stone* | WSH | sp | 23 | .702 | 693 | .312 | 389 | .418 | 395 | .425 | 104.4 | 4.2 | 3.90 | 3.52 |
| Steve Stone | SDP | sp | 23 | .908 | 423 | .348 | 337 | .549 | 341 | .555 | 106.1 | 7.4 | 6.84 | 7.38 |
| Bill Stoneman | CIN | sp | 27 | .782 | 483 | .294 | 380 | .498 | 383 | .502 | 104.2 | 5.6 | 5.12 | 5.11 |
| Mel Stottlemyre | NYY | sp | 29 | .690 | 743 | .289 | 355 | .396 | 359 | .401 | 92.7 | 3.9 | 3.58 | 3.71 |
| Mike Strahler | HOU | rp | 23 | .453 | 48 | .125 | 20 | .308 | 20 | .308 | 2.8 | 1.4 | 1.30 | 1.32 |
| Jim Strickland* | MIN | rp | 25 | .646 | 108 | .222 | 70 | .422 | 71 | .428 | 15.3 | 3.4 | 3.09 | 3.06 |
| John Strohmayer | SDP | sp | 24 | .785 | 494 | .302 | 293 | .467 | 297 | .473 | 82.2 | 5.1 | 4.75 | 4.97 |
| Don Sutton | LAD | sp | 26 | .608 | 675 | .283 | 346 | .360 | 349 | .363 | 83.1 | 3.2 | 2.90 | 2.71 |
| Ken Tatum | CHC | rp | 26 | .800 | 325 | .262 | 214 | .495 | 220 | .509 | 61.7 | 5.7 | 5.21 | 4.77 |
| Chuck Taylor | STL | rp | 28 | .520 | 243 | .235 | 93 | .298 | 95 | .304 | 18.4 | 2.0 | 1.87 | 1.85 |
| Ron Taylor | NYY | rp | 33 | .873 | 217 | .355 | 128 | .500 | 132 | .516 | 41.4 | 6.5 | 5.78 | 5.81 |
| Mike Thompson | CIN | sp | 21 | .726 | 143 | .231 | 99 | .458 | 102 | .472 | 25.1 | 4.7 | 4.21 | 4.48 |
| Mike Thompson | MON | sp | 21 | .866 | 151 | .338 | 111 | .521 | 112 | .526 | 34.2 | 6.8 | 6.07 | 6.73 |
| Luis Tiant | CLE | sp | 29 | .945 | 136 | .279 | 110 | .601 | 110 | .601 | 35.9 | 8.4 | 7.79 | 7.28 |
| Tom Timmermann | MIN | rp | 30 | .698 | 378 | .323 | 191 | .403 | 193 | .407 | 52.5 | 4.3 | 3.97 | 3.74 |
| Ron Tompkins | CIN | rp | 26 | .713 | 48 | .229 | 26 | .426 | 28 | .459 | 6.6 | 4.1 | 3.85 | 3.40 |
| Ron Tompkins | MON | rp | 26 | .974 | 37 | .378 | 28 | .549 | 30 | .588 | 10.7 | 10.0 | 8.67 | 10.27 |
| Mike Torrez | CHW | sp | 23 | .865 | 37 | .270 | 31 | .554 | 31 | .554 | 9.8 | 8.0 | 7.45 | 7.91 |
| Wayne Twitchell | OAK | rp | 23 | .472 | 34 | .118 | 22 | .328 | 25 | .373 | 3.2 | 1.8 | 1.65 | 2.66 |
| Cecil Upshaw | NYM | rp | 28 | .814 | 228 | .329 | 147 | .487 | 148 | .490 | 44.0 | 5.8 | 5.22 | 5.31 |
| Sandy Vance | WSH | sp | 23 | .799 | 518 | .307 | 295 | .472 | 299 | .478 | 88.4 | 5.6 | 5.38 | 5.22 |
| Bob Veale* | MIN | sp | 34 | .682 | 387 | .315 | 261 | .414 | 265 | .421 | 68.5 | 4.3 | 3.90 | 4.01 |
| Gary Wagner | NYY | rp | 30 | 1.125 | 6 | .500 | 5 | .625 | 5 | .625 | 1.8 | 11.9 | 10.69 | 18.30 |
| Luke Walker* | DET | rp | 26 | .555 | 311 | .248 | 142 | .328 | 144 | .333 | 29.6 | 2.5 | 2.25 | 2.49 |
| Ray Washburn | SDP | rp | 32 | .923 | 84 | .405 | 62 | .525 | 63 | .534 | 21.3 | 8.1 | 7.85 | 8.27 |
| Gary Waslewski | CAA | sp | 28 | .716 | 99 | .283 | 61 | .439 | 62 | .446 | 16.4 | 4.6 | 4.28 | 4.07 |
| Eddie Watt | MIN | rp | 30 | .800 | 154 | .377 | 93 | .460 | 93 | .460 | 26.3 | 5.2 | 4.57 | 5.24 |
| Floyd Weaver | CHC | rp | 29 | .776 | 113 | .248 | 76 | .484 | 77 | .490 | 19.7 | 4.7 | 4.28 | 3.99 |
| Mike Wegener | CHC | sp | 23 | .762 | 348 | .279 | 204 | .457 | 206 | .462 | 54.9 | 4.9 | 4.46 | 5.11 |
| Fred Wenz | CAA | rp | 28 | .308 | 10 | .200 | 2 | .154 | 2 | .154 | 0.4 | 1.0 | 0.94 | 0.70 |
| Milt Wilcox | PHI | rp | 21 | 1.067 | 23 | .435 | 24 | .632 | 25 | .658 | 8.8 | 11.9 | 11.24 | 12.29 |
| Hoyt Wilhelm | SFG | rp | 46 | .954 | 184 | .321 | 164 | .603 | 165 | .607 | 52.3 | 8.0 | 7.23 | 7.55 |
| Charlie Williams | WSH | rp | 23 | .788 | 161 | .366 | 101 | .445 | 103 | .454 | 31.6 | 6.0 | 5.65 | 5.98 |
| Stan Williams | BAL | rp | 33 | .585 | 284 | .257 | 134 | .343 | 137 | .350 | 31.2 | 2.9 | 2.66 | 2.52 |
| Ron Willis | BOS | rp | 26 | .712 | 236 | .254 | 121 | .409 | 130 | .439 | 31.6 | 4.1 | 3.69 | 4.08 |
| Jim Willoughby | SFG | sp | 22 | .611 | 5 | .200 | 4 | .444 | 4 | .444 | 0.8 | 4.3 | 4.81 | 7.83 |
| Bill Wilson | PIT | rp | 28 | .600 | 178 | .213 | 102 | .388 | 103 | .392 | 20.6 | 2.8 | 2.56 | 2.59 |
| Don Wilson | NYM | sp | 26 | .690 | 798 | .253 | 465 | .426 | 477 | .437 | 118.7 | 4.1 | 3.70 | 3.39 |
| Earl Wilson | BOS | sp | 35 | .735 | 456 | .294 | 276 | .443 | 281 | .451 | 72.0 | 4.3 | 3.91 | 4.07 |
| Rick Wise | PIT | sp | 25 | .698 | 713 | .285 | 398 | .422 | 401 | .425 | 100.5 | 4.0 | 3.67 | 3.53 |
| Wilbur Wood* | MIN | sp | 29 | .622 | 788 | .284 | 381 | .362 | 388 | .368 | 94.6 | 3.3 | 3.00 | 2.71 |
| Dick Woodson | PHI | rp | 25 | .721 | 77 | .182 | 54 | .491 | 55 | .500 | 12.4 | 4.1 | 3.80 | 3.25 |
| Clyde Wright* | CAA | sp | 30 | .648 | 715 | .271 | 369 | .391 | 372 | .394 | 86.6 | 3.4 | 3.11 | 2.99 |
| Ken Wright | MON | sp | 24 | .753 | 250 | .280 | 184 | .469 | 188 | .480 | 46.7 | 4.8 | 4.35 | 4.79 |
| Jim York | WSH | rp | 23 | .573 | 294 | .259 | 177 | .356 | 182 | .366 | 39.1 | 2.9 | 2.63 | 2.40 |
| Chris Zachary | NYY | sp | 27 | .888 | 347 | .395 | 217 | .500 | 220 | .507 | 75.0 | 7.4 | 6.65 | 6.80 |
| Bill Zepp | PIT | rp | 23 | .712 | 209 | .297 | 110 | .403 | 113 | .414 | 25.4 | 3.5 | 3.17 | 4.28 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Ted Abernathy | STL | rp | 38 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 0 | .000 | 25.2 | .575 |
| Ed Acosta | NYM | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 14.3 | .646 |
| Jack Aker | MIL | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 7 | .389 | 20.6 | .648 |
| Doyle Alexander | PHI | sp | 20 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 6 | .250 | 26.5 | .638 |
| Lloyd Allen | PIT | rp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 6 | .400 | 18.1 | .614 |
| Steve Arlin | CIN | sp | 25 | 33 | 3 | .091 | 1 | 17 | .515 | 188 | 5.7 | 11 | 6 | .545 | 111.1 | .601 |
| Rick Austin* | LAD | rp | 23 | 1 | 0 | .000 | 0 | 1 | 1.000 | 4 | 4.0 | 11 | 4 | .364 | 30.5 | .632 |
| Stan Bahnsen | HOU | sp | 26 | 33 | 5 | .152 | 3 | 21 | .636 | 145 | 4.4 | 14 | 2 | .143 | 102.6 | .625 |
| Dave Baldwin | NYM | rp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 2 | .083 | 18.0 | .574 |
| Mark Ballinger | ATL | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 5 | .161 | 15.6 | .604 |
| Steve Barber* | BAL | rp | 32 | 5 | 1 | .200 | 0 | 3 | .600 | 30 | 6.0 | 19 | 6 | .316 | 28.3 | .651 |
| Jim Barr | OAK | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 24.3 | .655 |
| Fred Beene | CAA | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 24.7 | .642 |
| Jerry Bell | NYM | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 21.2 | .590 |
| Frank Bertaina* | BOS | sp | 26 | 3 | 0 | .000 | 0 | 1 | .333 | 12 | 4.0 | 3 | 0 | .000 | 30.0 | .597 |
| Jack Billingham | CAA | sp | 28 | 13 | 2 | .154 | 1 | 9 | .692 | 75 | 5.8 | 18 | 8 | .444 | 51.9 | .621 |
| Wade Blasingame* | MIL | sp | 27 | 33 | 3 | .091 | 2 | 10 | .303 | 84 | 2.5 | 20 | 11 | .550 | 84.1 | .626 |
| Steve Blass | ATL | sp | 29 | 25 | 8 | .320 | 2 | 14 | .560 | 137 | 5.5 | 11 | 3 | .273 | 111.4 | .648 |
| Vida Blue* | MIL | sp | 21 | 34 | 5 | .147 | 1 | 27 | .794 | 81 | 2.4 | 14 | 2 | .143 | 111.7 | .638 |
| Bert Blyleven | MIN | sp | 20 | 37 | 9 | .243 | 5 | 21 | .568 | 205 | 5.5 | 12 | 4 | .333 | 92.1 | .657 |
| Bobby Bolin | NYY | rp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 20.6 | .600 |
| Pedro Borbon | SFG | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 17.8 | .506 |
| Dick Bosman | ATL | sp | 26 | 34 | 5 | .147 | 0 | 12 | .353 | 218 | 6.4 | 25 | 12 | .480 | 95.4 | .631 |
| Dave Boswell | PIT | sp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 25.0 | .512 |
| Jim Bouton | KCR | rp | 31 | 11 | 1 | .091 | 0 | 7 | .636 | 38 | 3.5 | 9 | 7 | .778 | 101.5 | .612 |
| Gene Brabender | CHW | sp | 28 | 2 | 0 | .000 | 0 | 1 | .500 | 12 | 6.0 | 25 | 5 | .200 | 24.4 | .592 |
| Tom Bradley | CLE | sp | 24 | 38 | 12 | .316 | 6 | 26 | .684 | 185 | 4.9 | 18 | 8 | .444 | 102.9 | .649 |
| Bucky Brandon | MIL | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 8 | .276 | 26.3 | .560 |
| Ken Brett* | CHW | rp | 21 | 14 | 5 | .357 | 2 | 9 | .643 | 58 | 4.1 | 5 | 2 | .400 | 64.6 | .602 |
| Jim Brewer* | SFG | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 3 | .333 | 17.5 | .649 |
| Nelson Briles | NYM | rp | 27 | 26 | 6 | .231 | 2 | 17 | .654 | 137 | 5.3 | 15 | 6 | .400 | 97.5 | .673 |
| Pete Broberg | ATL | sp | 21 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 23 | 6 | .261 | 26.9 | .597 |
| Jackie Brown | KCR | rp | 27 | 8 | 0 | .000 | 0 | 5 | .625 | 26 | 3.3 | 16 | 7 | .438 | 50.6 | .574 |
| George Brunet* | SFG | sp | 35 | 24 | 3 | .125 | 1 | 15 | .625 | 116 | 4.8 | 11 | 6 | .545 | 95.4 | .616 |
| Ron Bryant* | BOS | sp | 23 | 30 | 2 | .067 | 1 | 16 | .533 | 136 | 4.5 | 17 | 6 | .353 | 88.6 | .616 |
| Wally Bunker | HOU | sp | 25 | 3 | 0 | .000 | 0 | 2 | .667 | 13 | 4.3 | 17 | 4 | .235 | 31.3 | .603 |
| Jim Bunning | DET | sp | 38 | 22 | 4 | .182 | 0 | 11 | .500 | 107 | 4.9 | 14 | 5 | .357 | 94.3 | .642 |
| Tom Burgmeier* | MIN | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 1 | .111 | 19.5 | .617 |
| Bill Butler* | LAD | sp | 23 | 32 | 2 | .063 | 1 | 15 | .469 | 126 | 3.9 | 23 | 16 | .696 | 92.3 | .584 |
| Les Cain* | KCR | sp | 22 | 35 | 2 | .057 | 1 | 17 | .486 | 126 | 3.6 | 22 | 6 | .273 | 97.1 | .594 |
| Fred Cambria | CIN | sp | 22 | 7 | 0 | .000 | 0 | 4 | .571 | 43 | 6.1 | 5 | 1 | .200 | 82.0 | .606 |
| Sal Campisi | MON | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 17.7 | .566 |
| Buzz Capra | CLE | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 35.5 | .648 |
| Steve Carlton* | STL | sp | 26 | 33 | 9 | .273 | 2 | 20 | .606 | 164 | 5.0 | 13 | 5 | .385 | 112.3 | .621 |
| Don Carrithers | KCR | sp | 21 | 16 | 1 | .063 | 0 | 10 | .625 | 62 | 3.9 | 16 | 7 | .438 | 80.2 | .557 |
| Clay Carroll | BOS | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 2 | .133 | 17.4 | .619 |
| Bill Champion | MIL | rp | 23 | 1 | 0 | .000 | 0 | 1 | 1.000 | 5 | 5.0 | 20 | 2 | .100 | 33.7 | .595 |
| Dean Chance | PIT | rp | 29 | 6 | 1 | .167 | 0 | 5 | .833 | 42 | 7.0 | 8 | 4 | .500 | 56.1 | .625 |
| Rickey Clark | KCR | sp | 25 | 8 | 1 | .125 | 0 | 4 | .500 | 26 | 3.3 | 8 | 5 | .625 | 87.1 | .554 |
| Reggie Cleveland | SFG | sp | 23 | 33 | 5 | .152 | 2 | 18 | .545 | 172 | 5.2 | 8 | 4 | .500 | 97.9 | .652 |
| Tony Cloninger | BAL | sp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 26.8 | .575 |
| Vince Colbert | MON | rp | 25 | 30 | 3 | .100 | 0 | 13 | .433 | 114 | 3.8 | 17 | 7 | .412 | 94.1 | .591 |
| Jim Colborn | CHC | rp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 6 | .429 | 25.5 | .648 |
| Joe Coleman | OAK | sp | 24 | 27 | 8 | .296 | 5 | 18 | .667 | 142 | 5.3 | 14 | 2 | .143 | 111.6 | .618 |
| Ron Cook* | MON | rp | 22 | 3 | 0 | .000 | 0 | 0 | .000 | 8 | 2.7 | 34 | 20 | .588 | 20.7 | .570 |
| Danny Coombs* | OAK | sp | 28 | 29 | 4 | .138 | 2 | 18 | .621 | 129 | 4.4 | 10 | 2 | .200 | 104.8 | .620 |
| Ray Corbin | CHC | rp | 22 | 19 | 1 | .053 | 0 | 9 | .474 | 95 | 5.0 | 13 | 6 | .462 | 65.3 | .608 |
| Mike Corkins | STL | sp | 24 | 4 | 0 | .000 | 0 | 2 | .500 | 18 | 4.5 | 7 | 2 | .286 | 43.2 | .568 |
| Casey Cox | HOU | sp | 28 | 2 | 0 | .000 | 0 | 1 | .500 | 14 | 7.0 | 7 | 0 | .000 | 27.5 | .644 |
| Jerry Crider | WSH | rp | 28 | 7 | 0 | .000 | 0 | 2 | .286 | 24 | 3.4 | 33 | 14 | .424 | 28.2 | .615 |
| Mike Cuellar* | SFG | sp | 33 | 34 | 4 | .118 | 1 | 21 | .618 | 189 | 5.6 | 14 | 8 | .571 | 98.7 | .644 |
| Ray Culp | ATL | sp | 28 | 33 | 9 | .273 | 1 | 19 | .576 | 185 | 5.6 | 7 | 0 | .000 | 112.7 | .620 |
| George Culver | CIN | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 5 | .556 | 27.3 | .595 |
| John Cumberland* | PHI | rp | 24 | 9 | 0 | .000 | 0 | 5 | .556 | 28 | 3.1 | 10 | 1 | .100 | 35.3 | .629 |
| John Curtis* | KCR | sp | 23 | 3 | 1 | .333 | 0 | 3 | 1.000 | 8 | 2.7 | 6 | 4 | .667 | 41.3 | .596 |
| Bruce Dal Canton | MIL | sp | 29 | 31 | 3 | .097 | 0 | 16 | .516 | 66 | 2.1 | 12 | 5 | .417 | 84.7 | .622 |
| Joe Decker | SDP | sp | 23 | 20 | 5 | .250 | 1 | 13 | .650 | 49 | 2.5 | 3 | 3 | 1.000 | 96.4 | .589 |
| Bill Denehy | CHC | rp | 25 | 6 | 0 | .000 | 0 | 3 | .500 | 45 | 7.5 | 3 | 0 | .000 | 61.4 | .593 |
| Larry Dierker | CAA | sp | 23 | 26 | 4 | .154 | 1 | 14 | .538 | 128 | 4.9 | 21 | 5 | .238 | 84.3 | .621 |
| Jack DiLauro* | KCR | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 16.7 | .564 |
| Chuck Dobson | CAA | sp | 26 | 33 | 4 | .121 | 1 | 16 | .485 | 148 | 4.5 | 18 | 5 | .278 | 91.8 | .619 |
| Pat Dobson | DET | sp | 29 | 33 | 4 | .121 | 2 | 15 | .455 | 180 | 5.5 | 24 | 9 | .375 | 89.0 | .638 |
| Al Downing* | DET | sp | 30 | 32 | 5 | .156 | 0 | 16 | .500 | 147 | 4.6 | 24 | 14 | .583 | 101.3 | .610 |
| Paul Doyle* | MIN | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 11.6 | .568 |
| Moe Drabowsky | KCR | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 19.4 | .596 |
| Dick Drago | PIT | sp | 26 | 32 | 7 | .219 | 4 | 21 | .656 | 156 | 4.9 | 15 | 8 | .533 | 95.3 | .657 |
| Tom Dukes | NYY | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 13.2 | .638 |
| Steve Dunning | BOS | sp | 22 | 33 | 2 | .061 | 1 | 13 | .394 | 169 | 5.1 | 18 | 6 | .333 | 93.6 | .577 |
| Dock Ellis | HOU | sp | 26 | 30 | 5 | .167 | 2 | 16 | .533 | 164 | 5.5 | 14 | 4 | .286 | 106.4 | .618 |
| Dick Ellsworth* | CIN | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 7 | .538 | 10.9 | .618 |
| Dick Ellsworth* | CHC | rp | 30 | 5 | 0 | .000 | 0 | 3 | .600 | 23 | 4.6 | 12 | 4 | .333 | 37.2 | .615 |
| Ed Farmer | BOS | rp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 49 | 17 | .347 | 17.6 | .542 |
| Rollie Fingers | CLE | rp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 16.1 | .641 |
| Eddie Fisher | CLE | rp | 33 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 15 | 4 | .267 | 20.7 | .629 |
| Al Fitzmorris | KCR | rp | 25 | 21 | 4 | .190 | 1 | 15 | .714 | 48 | 2.3 | 12 | 5 | .417 | 92.3 | .571 |
| Rich Folkers* | SDP | rp | 23 | 3 | 0 | .000 | 0 | 0 | .000 | 7 | 2.3 | 10 | 1 | .100 | 48.3 | .531 |
| Ken Forsch | MON | sp | 24 | 32 | 4 | .125 | 3 | 17 | .531 | 126 | 3.9 | 16 | 8 | .500 | 104.5 | .631 |
| Terry Forster* | SFG | rp | 19 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 1 | .059 | 16.3 | .591 |
| Alan Foster | NYM | sp | 24 | 23 | 1 | .043 | 1 | 16 | .696 | 88 | 3.8 | 3 | 0 | .000 | 102.9 | .601 |
| Danny Frisella | CAA | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 18.7 | .632 |
| Woodie Fryman* | NYY | rp | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 9 | .529 | 19.9 | .584 |
| Gene Garber | SDP | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 35.8 | .603 |
| Rob Gardner* | PHI | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 22.0 | .591 |
| Mike Garman | MIL | sp | 21 | 4 | 0 | .000 | 0 | 3 | .750 | 9 | 2.3 | 0 | 0 | .000 | 86.8 | .573 |
| Greg Garrett* | CHW | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 | 22.4 | .607 |
| John Gelnar | CHC | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 9 | .360 | 23.3 | .643 |
| Gary Gentry | BAL | sp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 43 | 14 | .326 | 21.2 | .580 |
| Joe Gibbon* | NYY | rp | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 9 | .500 | 13.4 | .612 |
| Bob Gibson | STL | sp | 34 | 34 | 15 | .441 | 4 | 24 | .706 | 179 | 5.3 | 9 | 2 | .222 | 120.3 | .624 |
| Dave Giusti | CHC | rp | 30 | 9 | 0 | .000 | 0 | 5 | .556 | 41 | 4.6 | 29 | 11 | .379 | 30.3 | .623 |
| Fred Gladding | MIL | rp | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 12 | .414 | 14.4 | .592 |
| Bill Gogolewski | MON | sp | 23 | 23 | 2 | .087 | 0 | 12 | .522 | 85 | 3.7 | 14 | 9 | .643 | 101.4 | .636 |
| Wayne Granger | BOS | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 17.1 | .645 |
| Jim Grant | PHI | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 6 | .273 | 15.9 | .658 |
| Bill Greif | PHI | rp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 33.8 | .533 |
| Tom Griffin | MIL | sp | 22 | 28 | 0 | .000 | 0 | 10 | .357 | 67 | 2.4 | 26 | 15 | .577 | 87.4 | .553 |
| Ross Grimsley* | LAD | sp | 21 | 30 | 3 | .100 | 1 | 20 | .667 | 91 | 3.0 | 10 | 5 | .500 | 99.6 | .641 |
| Joe Grzenda* | CLE | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 17.1 | .673 |
| Don Gullett* | NYY | sp | 20 | 32 | 2 | .063 | 0 | 21 | .656 | 144 | 4.5 | 12 | 2 | .167 | 99.1 | .622 |
| Larry Gura* | ATL | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 18.5 | .520 |
| Dick Hall | CIN | rp | 39 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 17.6 | .694 |
| Tom Hall* | CHW | rp | 22 | 24 | 5 | .208 | 3 | 16 | .667 | 133 | 5.5 | 12 | 1 | .083 | 76.8 | .614 |
| Roger Hambright | ATL | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 19.1 | .610 |
| Steve Hamilton* | PHI | rp | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 13.2 | .657 |
| Rich Hand | NYY | sp | 21 | 30 | 6 | .200 | 1 | 16 | .533 | 135 | 4.5 | 14 | 7 | .500 | 92.3 | .605 |
| Bill Hands | CIN | sp | 30 | 33 | 8 | .242 | 1 | 18 | .545 | 160 | 4.8 | 14 | 5 | .357 | 98.8 | .629 |
| Jim Hannan | SFG | rp | 30 | 1 | 0 | .000 | 0 | 1 | 1.000 | 0 | 0.0 | 10 | 5 | .500 | 20.4 | .612 |
| Jim Hardin | CLE | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 5 | .385 | 19.6 | .671 |
| Steve Hargan | OAK | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 17.0 | .583 |
| Chuck Hartenstein | HOU | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 15.6 | .628 |
| Andy Hassler* | SDP | sp | 19 | 5 | 0 | .000 | 0 | 0 | .000 | 13 | 2.6 | 9 | 0 | .000 | 71.1 | .580 |
| Hal Haydel | KCR | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 25.4 | .543 |
| Mike Hedlund | SDP | sp | 24 | 36 | 4 | .111 | 0 | 19 | .528 | 103 | 2.9 | 15 | 7 | .467 | 97.7 | .595 |
| Phil Hennigan | CAA | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 24.4 | .558 |
| Ron Herbel | MIL | rp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 11 | .579 | 27.2 | .620 |
| Ron Herbel | BOS | rp | 32 | 10 | 1 | .100 | 0 | 7 | .700 | 42 | 4.2 | 6 | 3 | .500 | 74.1 | .613 |
| Ramon Hernandez* | CAA | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 26.0 | .615 |
| Dennis Higgins | WSH | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 9 | .529 | 27.4 | .580 |
| Tom Hilgendorf* | SDP | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 23.2 | .614 |
| John Hiller* | CAA | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 21.8 | .602 |
| Joe Hoerner* | CHW | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 16.7 | .609 |
| Ken Holtzman* | PHI | sp | 24 | 40 | 4 | .100 | 2 | 22 | .550 | 238 | 5.9 | 20 | 4 | .200 | 105.9 | .620 |
| Burt Hooton | CHW | sp | 21 | 3 | 1 | .333 | 1 | 3 | 1.000 | 18 | 6.0 | 2 | 0 | .000 | 63.8 | .582 |
| Joe Horlen | CHW | sp | 33 | 25 | 4 | .160 | 2 | 15 | .600 | 122 | 4.9 | 9 | 2 | .222 | 97.8 | .655 |
| Charlie Hough | SDP | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 31.0 | .585 |
| Tom House* | MIN | rp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 12.4 | .628 |
| Al Hrabosky* | CHW | rp | 20 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 24.5 | .571 |
| Bob Humphreys | CIN | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 20.8 | .588 |
| Catfish Hunter | HOU | sp | 25 | 33 | 7 | .212 | 4 | 17 | .515 | 185 | 5.6 | 16 | 3 | .188 | 100.0 | .634 |
| Grant Jackson* | NYM | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 4 | .154 | 17.1 | .642 |
| Jerry Janeski | MON | sp | 24 | 35 | 3 | .086 | 0 | 12 | .343 | 127 | 3.6 | 23 | 10 | .435 | 89.9 | .638 |
| Pat Jarvis | PIT | sp | 29 | 32 | 5 | .156 | 2 | 24 | .750 | 157 | 4.9 | 12 | 1 | .083 | 110.1 | .619 |
| Ferguson Jenkins | PHI | sp | 27 | 41 | 11 | .268 | 4 | 24 | .585 | 215 | 5.2 | 7 | 4 | .571 | 100.0 | .682 |
| Tommy John* | CLE | sp | 27 | 39 | 4 | .103 | 1 | 27 | .692 | 184 | 4.7 | 23 | 7 | .304 | 93.7 | .626 |
| Bart Johnson | OAK | rp | 21 | 22 | 5 | .227 | 1 | 15 | .682 | 127 | 5.8 | 10 | 4 | .400 | 89.5 | .565 |
| Bob Johnson | CIN | sp | 27 | 34 | 6 | .176 | 2 | 19 | .559 | 151 | 4.4 | 11 | 1 | .091 | 111.1 | .622 |
| Jerry Johnson | SDP | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 5 | .455 | 26.1 | .609 |
| Jim Kaat* | MIN | sp | 32 | 33 | 5 | .152 | 3 | 17 | .515 | 199 | 6.0 | 21 | 7 | .333 | 88.9 | .698 |
| Steve Kealey | MON | rp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 4 | .267 | 25.8 | .647 |
| Mike Kekich* | WSH | sp | 26 | 30 | 0 | .000 | 0 | 14 | .467 | 114 | 3.8 | 24 | 7 | .292 | 88.2 | .590 |
| Dick Kelley* | DET | rp | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 8 | .333 | 16.8 | .626 |
| Tom Kelley | MIL | sp | 27 | 31 | 1 | .032 | 1 | 12 | .387 | 83 | 2.7 | 39 | 20 | .513 | 90.7 | .565 |
| Mike Kilkenny* | BOS | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 19.7 | .582 |
| Clay Kirby | PHI | sp | 23 | 39 | 6 | .154 | 1 | 20 | .513 | 174 | 4.5 | 14 | 4 | .286 | 107.5 | .606 |
| Bruce Kison | MIN | sp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 7 | .304 | 17.8 | .567 |
| Ron Klimkowski | HOU | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 39 | 16 | .410 | 20.0 | .605 |
| Steve Kline | BOS | sp | 23 | 31 | 7 | .226 | 1 | 18 | .581 | 180 | 5.8 | 18 | 6 | .333 | 92.8 | .670 |
| Darold Knowles* | CLE | rp | 29 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 10 | 2 | .200 | 18.6 | .633 |
| Cal Koonce | OAK | rp | 29 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 13 | 0 | .000 | 21.5 | .594 |
| Jerry Koosman* | BAL | sp | 27 | 26 | 6 | .231 | 1 | 18 | .692 | 110 | 4.2 | 11 | 5 | .455 | 97.7 | .638 |
| Lew Krausse | STL | sp | 28 | 33 | 1 | .030 | 0 | 15 | .455 | 119 | 3.6 | 20 | 12 | .600 | 96.3 | .631 |
| Marcel Lachemann | LAD | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 14.9 | .647 |
| Lerrin LaGrow | KCR | rp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 42.3 | .579 |
| John Lamb | ATL | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 21.4 | .603 |
| Ray Lamb | OAK | rp | 26 | 4 | 0 | .000 | 0 | 2 | .500 | 27 | 6.8 | 24 | 6 | .250 | 27.4 | .611 |
| Dave LaRoche* | SFG | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 6 | .462 | 20.5 | .636 |
| Fred Lasher | KCR | rp | 28 | 2 | 0 | .000 | 0 | 1 | .500 | 0 | 0.0 | 14 | 5 | .357 | 31.1 | .569 |
| Bill Lee* | CIN | rp | 24 | 11 | 1 | .091 | 1 | 5 | .455 | 63 | 5.7 | 9 | 4 | .444 | 42.9 | .627 |
| Denny Lemaster* | BOS | rp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 5 | .556 | 20.5 | .589 |
| Dave Leonhard | KCR | sp | 30 | 8 | 1 | .125 | 1 | 5 | .625 | 31 | 3.9 | 8 | 5 | .625 | 57.1 | .591 |
| Barry Lersch | PHI | sp | 26 | 4 | 1 | .250 | 1 | 1 | .250 | 19 | 4.8 | 9 | 3 | .333 | 31.9 | .627 |
| Paul Lindblad* | CHW | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 2 | .143 | 19.9 | .639 |
| Frank Linzy | CIN | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 7 | .467 | 17.8 | .628 |
| Bob Locker | LAD | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 32 | 5 | .156 | 17.2 | .671 |
| Skip Lockwood | MIN | sp | 24 | 2 | 0 | .000 | 0 | 0 | .000 | 9 | 4.5 | 15 | 5 | .333 | 26.5 | .571 |
| Mickey Lolich* | DET | sp | 30 | 33 | 10 | .303 | 2 | 24 | .727 | 196 | 5.9 | 5 | 3 | .600 | 113.3 | .645 |
| Jim Lonborg | CHW | sp | 29 | 32 | 4 | .125 | 3 | 18 | .563 | 167 | 5.2 | 24 | 7 | .292 | 94.7 | .621 |
| Marcelino Lopez* | MIL | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 20.6 | .582 |
| Marcelino Lopez* | OAK | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 23.0 | .565 |
| Sparky Lyle* | STL | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 5 | .417 | 16.4 | .568 |
| Juan Marichal | SFG | sp | 33 | 33 | 9 | .273 | 1 | 18 | .545 | 189 | 5.7 | 13 | 10 | .769 | 96.2 | .653 |
| Mike Marshall | MIL | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 5 | .385 | 21.4 | .593 |
| Jon Matlack* | SDP | sp | 21 | 7 | 1 | .143 | 1 | 4 | .571 | 24 | 3.4 | 3 | 2 | .667 | 109.8 | .554 |
| Rudy May* | MIN | sp | 26 | 34 | 5 | .147 | 3 | 23 | .676 | 208 | 6.1 | 7 | 1 | .143 | 101.6 | .617 |
| Ernie McAnally | LAD | sp | 24 | 32 | 4 | .125 | 1 | 17 | .531 | 120 | 3.8 | 15 | 6 | .400 | 101.2 | .562 |
| Jim McAndrew | ATL | sp | 26 | 20 | 0 | .000 | 0 | 3 | .150 | 122 | 6.1 | 15 | 10 | .667 | 59.3 | .649 |
| Mike McCormick* | KCR | rp | 31 | 12 | 1 | .083 | 0 | 5 | .417 | 33 | 2.8 | 14 | 5 | .357 | 81.8 | .612 |
| Lindy McDaniel | CHC | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 2 | .133 | 18.9 | .665 |
| Sam McDowell* | CLE | sp | 27 | 40 | 10 | .250 | 5 | 23 | .575 | 197 | 4.9 | 21 | 10 | .476 | 110.3 | .605 |
| Dan McGinn* | MIL | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 5 | .333 | 20.8 | .549 |
| Jim McGlothlin | PHI | sp | 27 | 28 | 3 | .107 | 1 | 19 | .679 | 174 | 6.2 | 12 | 5 | .417 | 83.6 | .617 |
| Tug McGraw* | BOS | rp | 26 | 9 | 0 | .000 | 0 | 7 | .778 | 43 | 4.8 | 11 | 3 | .273 | 40.2 | .607 |
| Denny McLain | NYY | sp | 27 | 1 | 0 | .000 | 0 | 1 | 1.000 | 3 | 3.0 | 27 | 11 | .407 | 26.6 | .609 |
| Don McMahon | ATL | rp | 40 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 20.9 | .601 |
| Dave McNally* | BAL | sp | 28 | 33 | 8 | .242 | 5 | 26 | .788 | 127 | 3.8 | 12 | 5 | .417 | 100.6 | .642 |
| Mike McQueen* | DET | rp | 20 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 24.2 | .596 |
| Norm McRae | ATL | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 18.7 | .496 |
| Jim Merritt* | CHW | sp | 26 | 32 | 5 | .156 | 1 | 22 | .688 | 156 | 4.9 | 13 | 3 | .231 | 90.7 | .647 |
| Andy Messersmith | WSH | sp | 25 | 34 | 4 | .118 | 2 | 20 | .588 | 136 | 4.0 | 18 | 8 | .444 | 102.4 | .586 |
| Pete Mikkelsen | LAD | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 1 | .167 | 17.5 | .613 |
| Bob Miller | CIN | rp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 26.4 | .610 |
| Steve Mingori* | CHC | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 15.2 | .606 |
| Joe Moeller | SDP | sp | 27 | 9 | 2 | .222 | 0 | 5 | .556 | 29 | 3.2 | 4 | 1 | .250 | 96.8 | .637 |
| Joe Moeller | DET | sp | 27 | 10 | 2 | .200 | 0 | 4 | .400 | 48 | 4.8 | 3 | 1 | .333 | 90.6 | .640 |
| Aurelio Monteagudo | NYM | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 16.4 | .628 |
| Monty Montgomery | NYM | sp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 17.8 | .665 |
| Balor Moore* | CIN | rp | 19 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 33.5 | .522 |
| Barry Moore* | WSH | sp | 27 | 4 | 0 | .000 | 0 | 0 | .000 | 25 | 6.3 | 39 | 15 | .385 | 22.9 | .594 |
| Bob Moose | ATL | sp | 22 | 15 | 3 | .200 | 0 | 10 | .667 | 83 | 5.5 | 9 | 0 | .000 | 53.3 | .611 |
| Dave Morehead | MON | sp | 27 | 26 | 2 | .077 | 1 | 17 | .654 | 98 | 3.8 | 15 | 2 | .133 | 98.9 | .582 |
| Roger Moret* | NYM | sp | 21 | 4 | 1 | .250 | 0 | 2 | .500 | 11 | 2.8 | 4 | 0 | .000 | 39.0 | .591 |
| John Morris* | SDP | rp | 28 | 11 | 0 | .000 | 0 | 5 | .455 | 40 | 3.6 | 6 | 1 | .167 | 68.0 | .636 |
| Carl Morton | OAK | sp | 26 | 18 | 3 | .167 | 1 | 9 | .500 | 93 | 5.2 | 22 | 7 | .318 | 57.2 | .595 |
| Danny Murphy | SDP | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 20.7 | .505 |
| Tom Murphy | NYY | sp | 25 | 32 | 5 | .156 | 2 | 17 | .531 | 130 | 4.1 | 20 | 8 | .400 | 97.2 | .598 |
| Mike Nagy | NYY | sp | 22 | 2 | 0 | .000 | 0 | 0 | .000 | 4 | 2.0 | 1 | 1 | 1.000 | 42.0 | .583 |
| Jim Nash | OAK | sp | 25 | 30 | 5 | .167 | 4 | 19 | .633 | 140 | 4.7 | 19 | 7 | .368 | 94.0 | .593 |
| Gary Neibauer | DET | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 28.2 | .576 |
| Jim Nelson | MON | sp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 8 | .286 | 24.4 | .575 |
| Roger Nelson | CIN | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 18.9 | .667 |
| Ray Newman* | ATL | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 8 | .400 | 15.9 | .583 |
| Joe Niekro | CHC | sp | 25 | 37 | 1 | .027 | 0 | 19 | .514 | 176 | 4.8 | 24 | 12 | .500 | 93.5 | .624 |
| Phil Niekro | ATL | sp | 32 | 34 | 4 | .118 | 0 | 18 | .529 | 231 | 6.8 | 8 | 0 | .000 | 110.4 | .634 |
| Gary Nolan | HOU | sp | 23 | 32 | 3 | .094 | 2 | 19 | .594 | 173 | 5.4 | 12 | 5 | .417 | 95.0 | .641 |
| Fred Norman* | PIT | sp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 19.5 | .615 |
| Rich Nye* | CAA | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 13.3 | .634 |
| Bob O'Brien* | CIN | rp | 22 | 3 | 0 | .000 | 0 | 1 | .333 | 15 | 5.0 | 1 | 1 | 1.000 | 93.0 | .627 |
| Bob O'Brien* | HOU | rp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 25.5 | .627 |
| John O'Donoghue* | HOU | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 8 | .444 | 17.7 | .595 |
| Blue Moon Odom | NYM | sp | 25 | 33 | 4 | .121 | 2 | 9 | .273 | 187 | 5.7 | 31 | 15 | .484 | 101.4 | .557 |
| Claude Osteen* | BAL | sp | 31 | 32 | 3 | .094 | 0 | 18 | .563 | 149 | 4.7 | 18 | 4 | .222 | 95.0 | .636 |
| Jim Palmer | BAL | sp | 24 | 33 | 6 | .182 | 1 | 25 | .758 | 121 | 3.7 | 14 | 7 | .500 | 104.5 | .640 |
| Lowell Palmer | BOS | rp | 22 | 18 | 0 | .000 | 0 | 4 | .222 | 92 | 5.1 | 12 | 4 | .333 | 85.4 | .581 |
| Milt Pappas | BAL | sp | 32 | 32 | 3 | .094 | 2 | 20 | .625 | 130 | 4.1 | 14 | 5 | .357 | 95.0 | .627 |
| Harry Parker | PHI | sp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 23.7 | .529 |
| Bill Parsons | CHC | sp | 22 | 37 | 2 | .054 | 1 | 14 | .378 | 184 | 5.0 | 21 | 12 | .571 | 94.8 | .615 |
| Daryl Patterson | SDP | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 24.6 | .593 |
| Marty Pattin | CHW | sp | 27 | 28 | 9 | .321 | 2 | 16 | .571 | 134 | 4.8 | 19 | 7 | .368 | 70.6 | .637 |
| Mike Paul* | DET | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 3 | .150 | 19.8 | .685 |
| Jose Pena | CAA | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 5 | .417 | 29.1 | .595 |
| Orlando Pena | DET | rp | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 6 | .316 | 12.8 | .650 |
| Ron Perranoski* | CAA | rp | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 20.6 | .604 |
| Gaylord Perry | SFG | sp | 31 | 33 | 8 | .242 | 1 | 20 | .606 | 210 | 6.4 | 12 | 7 | .583 | 106.6 | .628 |
| Jim Perry | CLE | sp | 34 | 40 | 9 | .225 | 4 | 25 | .625 | 188 | 4.7 | 21 | 9 | .429 | 96.4 | .668 |
| Gary Peters* | PIT | sp | 33 | 32 | 4 | .125 | 1 | 18 | .563 | 161 | 5.0 | 17 | 5 | .294 | 104.2 | .632 |
| Fritz Peterson* | NYY | sp | 28 | 32 | 9 | .281 | 2 | 25 | .781 | 165 | 5.2 | 8 | 3 | .375 | 96.9 | .696 |
| Tom Phoebus | OAK | sp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 6 | .207 | 16.7 | .577 |
| Horacio Pina | MIL | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 5 | .625 | 22.0 | .591 |
| Skip Pitlock* | MON | sp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 16 | .516 | 23.0 | .595 |
| Juan Pizarro* | STL | sp | 34 | 3 | 1 | .333 | 0 | 3 | 1.000 | 16 | 5.3 | 5 | 0 | .000 | 35.6 | .626 |
| Bob Priddy | KCR | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 2 | .105 | 30.4 | .579 |
| Mel Queen | CIN | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 26.4 | .605 |
| Mel Queen | PIT | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 4 | .667 | 17.1 | .599 |
| Jim Ray | PHI | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 10 | .500 | 17.6 | .618 |
| Claude Raymond | KCR | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 6 | .316 | 19.5 | .638 |
| Frank Reberger | BOS | sp | 27 | 5 | 0 | .000 | 0 | 4 | .800 | 37 | 7.4 | 13 | 4 | .308 | 42.0 | .601 |
| Bob Reed | WSH | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 23.2 | .604 |
| Howie Reed | WSH | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 9 | .750 | 20.4 | .565 |
| Ron Reed | BAL | sp | 28 | 1 | 0 | .000 | 0 | 0 | .000 | 7 | 7.0 | 3 | 0 | .000 | 27.7 | .652 |
| Phil Regan | LAD | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 23.2 | .621 |
| Steve Renko | KCR | sp | 26 | 36 | 4 | .111 | 0 | 19 | .528 | 152 | 4.2 | 21 | 10 | .476 | 104.8 | .581 |
| Jerry Reuss* | STL | sp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 22.9 | .624 |
| Bob Reynolds | PHI | rp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 3 | 1.000 | 12.0 | .542 |
| Ken Reynolds* | WSH | sp | 24 | 30 | 3 | .100 | 2 | 14 | .467 | 142 | 4.7 | 26 | 15 | .577 | 97.4 | .581 |
| J.R. Richard | ATL | sp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 2 | .133 | 23.3 | .514 |
| Pete Richert* | CAA | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 19.5 | .604 |
| Denny Riddleberger* | LAD | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 5 | .250 | 18.0 | .632 |
| Dave Roberts* | DET | sp | 26 | 32 | 8 | .250 | 3 | 25 | .781 | 157 | 4.9 | 7 | 0 | .000 | 105.7 | .641 |
| Rich Robertson | CHC | sp | 25 | 31 | 1 | .032 | 0 | 7 | .226 | 167 | 5.4 | 24 | 11 | .458 | 82.7 | .579 |
| Jim Roland* | DET | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 11 | .611 | 15.0 | .602 |
| Vicente Romo | PIT | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 20.8 | .584 |
| Jim Rooker* | CAA | sp | 27 | 32 | 5 | .156 | 1 | 16 | .500 | 151 | 4.7 | 23 | 7 | .304 | 98.8 | .583 |
| Gary Ross | KCR | rp | 22 | 2 | 0 | .000 | 0 | 1 | .500 | 4 | 2.0 | 13 | 5 | .385 | 30.7 | .593 |
| Nolan Ryan | STL | sp | 23 | 26 | 1 | .038 | 0 | 15 | .577 | 118 | 4.5 | 16 | 5 | .313 | 116.8 | .543 |
| Ray Sadecki* | STL | sp | 30 | 29 | 4 | .138 | 3 | 21 | .724 | 124 | 4.3 | 7 | 2 | .286 | 108.9 | .634 |
| Ken Sanders | STL | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 4 | .308 | 18.3 | .643 |
| Al Santorini | LAD | sp | 22 | 3 | 0 | .000 | 0 | 3 | 1.000 | 12 | 4.0 | 23 | 6 | .261 | 32.7 | .566 |
| Fred Scherman* | SDP | rp | 26 | 7 | 2 | .286 | 0 | 2 | .286 | 17 | 2.4 | 9 | 7 | .778 | 32.2 | .601 |
| Tom Seaver | NYM | sp | 26 | 38 | 5 | .132 | 1 | 21 | .553 | 161 | 4.2 | 21 | 5 | .238 | 108.7 | .634 |
| Chuck Seelbach | CLE | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 39.0 | .474 |
| Diego Segui | SFG | rp | 32 | 4 | 2 | .500 | 0 | 1 | .250 | 22 | 5.5 | 24 | 12 | .500 | 26.9 | .583 |
| Dick Selma | PIT | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 30 | 6 | .200 | 22.9 | .593 |
| Al Severinsen | NYM | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 10 | .526 | 21.8 | .592 |
| Don Shaw* | NYY | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 1 | .083 | 15.0 | .574 |
| Jim Shellenback* | SDP | rp | 26 | 17 | 0 | .000 | 0 | 12 | .706 | 66 | 3.9 | 4 | 1 | .250 | 64.0 | .607 |
| Chris Short* | OAK | sp | 32 | 31 | 5 | .161 | 3 | 21 | .677 | 146 | 4.7 | 17 | 4 | .235 | 101.6 | .624 |
| Sonny Siebert | LAD | sp | 34 | 30 | 4 | .133 | 0 | 14 | .467 | 116 | 3.9 | 26 | 17 | .654 | 98.0 | .642 |
| Wayne Simpson | PIT | sp | 21 | 27 | 3 | .111 | 1 | 14 | .519 | 108 | 4.0 | 6 | 4 | .667 | 100.0 | .587 |
| Bill Singer | CLE | sp | 26 | 2 | 1 | .500 | 0 | 2 | 1.000 | 8 | 4.0 | 10 | 2 | .200 | 25.3 | .620 |
| Jim Slaton | HOU | sp | 21 | 29 | 4 | .138 | 1 | 15 | .517 | 152 | 5.2 | 12 | 6 | .500 | 99.2 | .587 |
| Scipio Spinks | CIN | sp | 23 | 3 | 1 | .333 | 1 | 3 | 1.000 | 9 | 3.0 | 0 | 0 | .000 | 80.4 | .600 |
| Paul Splittorff* | CAA | sp | 24 | 26 | 7 | .269 | 3 | 18 | .692 | 115 | 4.4 | 2 | 0 | .000 | 97.0 | .659 |
| Ed Sprague | HOU | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 18.1 | .609 |
| George Stone* | WSH | sp | 23 | 33 | 4 | .121 | 2 | 20 | .606 | 132 | 4.0 | 15 | 9 | .600 | 99.8 | .661 |
| Steve Stone | SDP | sp | 23 | 22 | 0 | .000 | 0 | 6 | .273 | 72 | 3.3 | 14 | 6 | .429 | 89.8 | .584 |
| Bill Stoneman | CIN | sp | 27 | 30 | 4 | .133 | 1 | 9 | .300 | 143 | 4.8 | 20 | 9 | .450 | 102.4 | .578 |
| Mel Stottlemyre | NYY | sp | 29 | 33 | 4 | .121 | 2 | 17 | .515 | 155 | 4.7 | 19 | 8 | .421 | 90.7 | .638 |
| Mike Strahler | HOU | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.9 | .559 |
| Jim Strickland* | MIN | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 8 | .421 | 14.4 | .558 |
| John Strohmayer | SDP | sp | 24 | 20 | 4 | .200 | 2 | 7 | .350 | 62 | 3.1 | 11 | 1 | .091 | 85.5 | .620 |
| Don Sutton | LAD | sp | 26 | 33 | 6 | .182 | 1 | 23 | .697 | 114 | 3.5 | 10 | 1 | .100 | 105.7 | .656 |
| Ken Tatum | CHC | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 11 | .393 | 20.5 | .628 |
| Chuck Taylor | STL | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 4 | .160 | 14.4 | .654 |
| Ron Taylor | NYY | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 9 | .290 | 12.9 | .699 |
| Mike Thompson | CIN | sp | 21 | 8 | 1 | .125 | 0 | 4 | .500 | 64 | 8.0 | 3 | 0 | .000 | 106.9 | .533 |
| Mike Thompson | MON | sp | 21 | 8 | 0 | .000 | 0 | 4 | .500 | 34 | 4.3 | 8 | 1 | .125 | 87.6 | .565 |
| Luis Tiant | CLE | sp | 29 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 9 | 2 | .222 | 30.6 | .595 |
| Tom Timmermann | MIN | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 33 | 7 | .212 | 21.6 | .634 |
| Ron Tompkins | CIN | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 5 | .714 | 20.9 | .613 |
| Ron Tompkins | MON | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 20.4 | .576 |
| Mike Torrez | CHW | sp | 23 | 2 | 0 | .000 | 0 | 0 | .000 | 10 | 5.0 | 3 | 0 | .000 | 105.5 | .564 |
| Wayne Twitchell | OAK | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 27.8 | .514 |
| Cecil Upshaw | NYM | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 26.5 | .657 |
| Sandy Vance | WSH | sp | 23 | 24 | 2 | .083 | 1 | 10 | .417 | 100 | 4.2 | 19 | 12 | .632 | 85.5 | .633 |
| Bob Veale* | MIN | sp | 34 | 19 | 2 | .105 | 1 | 10 | .526 | 86 | 4.5 | 20 | 15 | .750 | 63.4 | .622 |
| Gary Wagner | NYY | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 14.0 | .500 |
| Luke Walker* | DET | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 44 | 10 | .227 | 18.3 | .591 |
| Ray Washburn | SDP | rp | 32 | 5 | 0 | .000 | 0 | 1 | .200 | 16 | 3.2 | 4 | 2 | .500 | 91.2 | .581 |
| Gary Waslewski | CAA | sp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 23.2 | .605 |
| Eddie Watt | MIN | rp | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 33 | 6 | .182 | 12.5 | .639 |
| Floyd Weaver | CHC | rp | 29 | 6 | 1 | .167 | 1 | 4 | .667 | 31 | 5.2 | 3 | 2 | .667 | 64.4 | .612 |
| Mike Wegener | CHC | sp | 23 | 12 | 1 | .083 | 0 | 6 | .500 | 86 | 7.2 | 18 | 2 | .111 | 49.6 | .576 |
| Fred Wenz | CAA | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 24.5 | .673 |
| Milt Wilcox | PHI | rp | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 14.1 | .555 |
| Hoyt Wilhelm | SFG | rp | 46 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 20.5 | .608 |
| Charlie Williams | WSH | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 26.7 | .589 |
| Stan Williams | BAL | rp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.4 | .633 |
| Ron Willis | BOS | rp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 5 | .313 | 24.1 | .611 |
| Jim Willoughby | SFG | sp | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 36.0 | .444 |
| Bill Wilson | PIT | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 18.2 | .607 |
| Don Wilson | NYM | sp | 26 | 38 | 6 | .158 | 2 | 26 | .684 | 157 | 4.1 | 11 | 4 | .364 | 105.2 | .627 |
| Earl Wilson | BOS | sp | 35 | 23 | 4 | .174 | 0 | 12 | .522 | 116 | 5.0 | 9 | 1 | .111 | 97.4 | .636 |
| Rick Wise | PIT | sp | 25 | 33 | 8 | .242 | 4 | 24 | .727 | 148 | 4.5 | 12 | 2 | .167 | 105.2 | .630 |
| Wilbur Wood* | MIN | sp | 29 | 37 | 8 | .216 | 3 | 24 | .649 | 207 | 5.6 | 17 | 4 | .235 | 101.3 | .654 |
| Dick Woodson | PHI | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 27.0 | .581 |
| Clyde Wright* | CAA | sp | 30 | 32 | 7 | .219 | 4 | 25 | .781 | 138 | 4.3 | 14 | 6 | .429 | 108.5 | .640 |
| Ken Wright | MON | sp | 24 | 5 | 1 | .200 | 1 | 2 | .400 | 5 | 1.0 | 11 | 0 | .000 | 37.9 | .557 |
| Jim York | WSH | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 33 | 9 | .273 | 21.3 | .615 |
| Chris Zachary | NYY | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 7 | .333 | 28.2 | .644 |
| Bill Zepp | PIT | rp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 22.4 | .601 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | PCH/G | STR% |
| Ted Abernathy | STL | rp | 38 | 0 | 0 | .000 | 0 | .000 | 1 | 20 | 3 | .150 | 45 | 45 | 22 | 25.2 | .575 |
| Ed Acosta | NYM | sp | 27 | 32 | 25 | .781 | 7 | .219 | 1 | 22 | 8 | .364 | 55 | 55 | 47 | 14.3 | .646 |
| Jack Aker | MIL | rp | 29 | 2 | 1 | .500 | 1 | .500 | 3 | 37 | 11 | .297 | 54 | 54 | 29 | 20.6 | .648 |
| Doyle Alexander | PHI | sp | 20 | 1 | 1 | 1.000 | 0 | .000 | 4 | 30 | 12 | .400 | 48 | 48 | 12 | 26.5 | .638 |
| Lloyd Allen | PIT | rp | 21 | 5 | 1 | .200 | 2 | .400 | 9 | 10 | 3 | .300 | 33 | 33 | 10 | 18.1 | .614 |
| Steve Arlin | CIN | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 111.1 | .601 |
| Rick Austin* | LAD | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 1 | .200 | 22 | 21 | 14 | 30.5 | .632 |
| Stan Bahnsen | HOU | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 102.6 | .625 |
| Dave Baldwin | NYM | rp | 32 | 9 | 0 | .000 | 7 | .778 | 3 | 15 | 6 | .400 | 38 | 38 | 8 | 18.0 | .574 |
| Mark Ballinger | ATL | rp | 22 | 13 | 7 | .538 | 2 | .154 | 11 | 18 | 6 | .333 | 47 | 47 | 12 | 15.6 | .604 |
| Steve Barber* | BAL | rp | 32 | 2 | 0 | .000 | 1 | .500 | 4 | 31 | 9 | .290 | 50 | 45 | 15 | 28.3 | .651 |
| Jim Barr | OAK | rp | 23 | 2 | 2 | 1.000 | 0 | .000 | 0 | 14 | 2 | .143 | 21 | 21 | 9 | 24.3 | .655 |
| Fred Beene | CAA | rp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 6 | 6 | 4 | 24.7 | .642 |
| Jerry Bell | NYM | rp | 23 | 3 | 3 | 1.000 | 0 | .000 | 1 | 4 | 0 | .000 | 16 | 16 | 11 | 21.2 | .590 |
| Frank Bertaina* | BOS | sp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 8 | 2 | .250 | 11 | 8 | 3 | 30.0 | .597 |
| Jack Billingham | CAA | sp | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 26 | 8 | .308 | 39 | 26 | 3 | 51.9 | .621 |
| Wade Blasingame* | MIL | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 84.1 | .626 |
| Steve Blass | ATL | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 111.4 | .648 |
| Vida Blue* | MIL | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 111.7 | .638 |
| Bert Blyleven | MIN | sp | 20 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 38 | 1 | 1 | 92.1 | .657 |
| Bobby Bolin | NYY | rp | 32 | 1 | 0 | .000 | 0 | .000 | 0 | 12 | 5 | .417 | 25 | 25 | 17 | 20.6 | .600 |
| Pedro Borbon | SFG | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 2 | .667 | 5 | 5 | 2 | 17.8 | .506 |
| Dick Bosman | ATL | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 95.4 | .631 |
| Dave Boswell | PIT | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 2 | .400 | 5 | 5 | 4 | 25.0 | .512 |
| Jim Bouton | KCR | rp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 101.5 | .612 |
| Gene Brabender | CHW | sp | 28 | 4 | 3 | .750 | 0 | .000 | 11 | 21 | 3 | .143 | 62 | 60 | 23 | 24.4 | .592 |
| Tom Bradley | CLE | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 38 | 0 | 0 | 102.9 | .649 |
| Bucky Brandon | MIL | rp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 50 | 20 | .400 | 52 | 52 | 11 | 26.3 | .560 |
| Ken Brett* | CHW | rp | 21 | 1 | 1 | 1.000 | 0 | .000 | 0 | 7 | 0 | .000 | 32 | 18 | 8 | 64.6 | .602 |
| Jim Brewer* | SFG | rp | 33 | 36 | 28 | .778 | 8 | .222 | 3 | 34 | 8 | .235 | 66 | 66 | 54 | 17.5 | .649 |
| Nelson Briles | NYM | rp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 97.5 | .673 |
| Pete Broberg | ATL | sp | 21 | 2 | 0 | .000 | 1 | .500 | 1 | 28 | 15 | .536 | 55 | 54 | 12 | 26.9 | .597 |
| Jackie Brown | KCR | rp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 19 | 6 | .316 | 26 | 18 | 7 | 50.6 | .574 |
| George Brunet* | SFG | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 1 | 0 | 95.4 | .616 |
| Ron Bryant* | BOS | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 88.6 | .616 |
| Wally Bunker | HOU | sp | 25 | 3 | 3 | 1.000 | 0 | .000 | 1 | 50 | 15 | .300 | 54 | 51 | 11 | 31.3 | .603 |
| Jim Bunning | DET | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 23 | 1 | 0 | 94.3 | .642 |
| Tom Burgmeier* | MIN | rp | 27 | 45 | 30 | .667 | 15 | .333 | 0 | 45 | 16 | .356 | 66 | 66 | 50 | 19.5 | .617 |
| Bill Butler* | LAD | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 92.3 | .584 |
| Les Cain* | KCR | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 40 | 5 | 2 | 97.1 | .594 |
| Fred Cambria | CIN | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 82.0 | .606 |
| Sal Campisi | MON | rp | 27 | 23 | 16 | .696 | 7 | .304 | 3 | 34 | 13 | .382 | 61 | 61 | 43 | 17.7 | .566 |
| Buzz Capra | CLE | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 2 | 35.5 | .648 |
| Steve Carlton* | STL | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 112.3 | .621 |
| Don Carrithers | KCR | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 0 | .000 | 21 | 5 | 4 | 80.2 | .557 |
| Clay Carroll | BOS | rp | 29 | 12 | 7 | .583 | 4 | .333 | 16 | 17 | 3 | .176 | 53 | 53 | 17 | 17.4 | .619 |
| Bill Champion | MIL | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 55 | 25 | .455 | 52 | 51 | 21 | 33.7 | .595 |
| Dean Chance | PIT | rp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 1 | .125 | 15 | 9 | 3 | 56.1 | .625 |
| Rickey Clark | KCR | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 3 | 3 | 87.1 | .554 |
| Reggie Cleveland | SFG | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 1 | 0 | 97.9 | .652 |
| Tony Cloninger | BAL | sp | 29 | 1 | 1 | 1.000 | 0 | .000 | 1 | 12 | 4 | .333 | 24 | 24 | 15 | 26.8 | .575 |
| Vince Colbert | MON | rp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 94.1 | .591 |
| Jim Colborn | CHC | rp | 24 | 0 | 0 | .000 | 0 | .000 | 4 | 25 | 12 | .480 | 44 | 44 | 14 | 25.5 | .648 |
| Joe Coleman | OAK | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 111.6 | .618 |
| Ron Cook* | MON | rp | 22 | 13 | 0 | .000 | 6 | .462 | 6 | 30 | 11 | .367 | 76 | 73 | 24 | 20.7 | .570 |
| Danny Coombs* | OAK | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 104.8 | .620 |
| Ray Corbin | CHC | rp | 22 | 1 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 35 | 16 | 7 | 65.3 | .608 |
| Mike Corkins | STL | sp | 24 | 2 | 1 | .500 | 1 | .500 | 1 | 10 | 4 | .400 | 25 | 21 | 14 | 43.2 | .568 |
| Casey Cox | HOU | sp | 28 | 1 | 0 | .000 | 1 | 1.000 | 1 | 22 | 8 | .364 | 30 | 28 | 10 | 27.5 | .644 |
| Jerry Crider | WSH | rp | 28 | 3 | 1 | .333 | 2 | .667 | 1 | 50 | 26 | .520 | 61 | 54 | 15 | 28.2 | .615 |
| Mike Cuellar* | SFG | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 98.7 | .644 |
| Ray Culp | ATL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 112.7 | .620 |
| George Culver | CIN | rp | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 14 | 5 | .357 | 24 | 24 | 8 | 27.3 | .595 |
| John Cumberland* | PHI | rp | 24 | 11 | 8 | .727 | 3 | .273 | 6 | 25 | 6 | .240 | 42 | 33 | 11 | 35.3 | .629 |
| John Curtis* | KCR | sp | 23 | 1 | 1 | 1.000 | 0 | .000 | 2 | 6 | 2 | .333 | 13 | 10 | 3 | 41.3 | .596 |
| Bruce Dal Canton | MIL | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 84.7 | .622 |
| Joe Decker | SDP | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 25 | 5 | 5 | 96.4 | .589 |
| Bill Denehy | CHC | rp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 4 | 3 | 61.4 | .593 |
| Larry Dierker | CAA | sp | 23 | 0 | 0 | .000 | 0 | .000 | 2 | 7 | 2 | .286 | 31 | 5 | 2 | 84.3 | .621 |
| Jack DiLauro* | KCR | rp | 27 | 0 | 0 | .000 | 0 | .000 | 2 | 1 | 1 | 1.000 | 7 | 7 | 3 | 16.7 | .564 |
| Chuck Dobson | CAA | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 91.8 | .619 |
| Pat Dobson | DET | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 34 | 1 | 1 | 89.0 | .638 |
| Al Downing* | DET | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 101.3 | .610 |
| Paul Doyle* | MIN | rp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 4 | .500 | 7 | 7 | 6 | 11.6 | .568 |
| Moe Drabowsky | KCR | rp | 34 | 11 | 6 | .545 | 5 | .455 | 6 | 31 | 13 | .419 | 54 | 54 | 30 | 19.4 | .596 |
| Dick Drago | PIT | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.3 | .657 |
| Tom Dukes | NYY | rp | 27 | 3 | 1 | .333 | 1 | .333 | 2 | 18 | 6 | .333 | 28 | 28 | 11 | 13.2 | .638 |
| Steve Dunning | BOS | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.6 | .577 |
| Dock Ellis | HOU | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 106.4 | .618 |
| Dick Ellsworth* | CIN | rp | 30 | 3 | 0 | .000 | 1 | .333 | 4 | 9 | 2 | .222 | 14 | 14 | 3 | 10.9 | .618 |
| Dick Ellsworth* | CHC | rp | 30 | 0 | 0 | .000 | 0 | .000 | 6 | 3 | 0 | .000 | 22 | 17 | 4 | 37.2 | .615 |
| Ed Farmer | BOS | rp | 21 | 10 | 2 | .200 | 2 | .200 | 15 | 35 | 12 | .343 | 69 | 69 | 10 | 17.6 | .542 |
| Rollie Fingers | CLE | rp | 24 | 23 | 20 | .870 | 3 | .130 | 2 | 37 | 10 | .270 | 56 | 56 | 38 | 16.1 | .641 |
| Eddie Fisher | CLE | rp | 33 | 2 | 0 | .000 | 0 | .000 | 7 | 23 | 7 | .304 | 43 | 42 | 11 | 20.7 | .629 |
| Al Fitzmorris | KCR | rp | 25 | 1 | 0 | .000 | 1 | 1.000 | 1 | 6 | 4 | .667 | 26 | 5 | 2 | 92.3 | .571 |
| Rich Folkers* | SDP | rp | 23 | 1 | 0 | .000 | 1 | 1.000 | 0 | 9 | 1 | .111 | 16 | 13 | 5 | 48.3 | .531 |
| Ken Forsch | MON | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 104.5 | .631 |
| Terry Forster* | SFG | rp | 19 | 5 | 3 | .600 | 2 | .400 | 5 | 11 | 4 | .364 | 40 | 40 | 15 | 16.3 | .591 |
| Alan Foster | NYM | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 102.9 | .601 |
| Danny Frisella | CAA | rp | 25 | 5 | 1 | .200 | 1 | .200 | 16 | 17 | 4 | .235 | 67 | 67 | 23 | 18.7 | .632 |
| Woodie Fryman* | NYY | rp | 31 | 38 | 27 | .711 | 11 | .289 | 0 | 39 | 20 | .513 | 70 | 70 | 51 | 19.9 | .584 |
| Gene Garber | SDP | rp | 22 | 1 | 1 | 1.000 | 0 | .000 | 0 | 14 | 3 | .214 | 13 | 13 | 5 | 35.8 | .603 |
| Rob Gardner* | PHI | rp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 0 | 22.0 | .591 |
| Mike Garman | MIL | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 86.8 | .573 |
| Greg Garrett* | CHW | rp | 22 | 3 | 1 | .333 | 1 | .333 | 2 | 26 | 6 | .231 | 41 | 41 | 14 | 22.4 | .607 |
| John Gelnar | CHC | rp | 27 | 2 | 1 | .500 | 0 | .000 | 3 | 65 | 32 | .492 | 76 | 76 | 13 | 23.3 | .643 |
| Gary Gentry | BAL | sp | 24 | 10 | 2 | .200 | 7 | .700 | 21 | 17 | 6 | .353 | 84 | 84 | 21 | 21.2 | .580 |
| Joe Gibbon* | NYY | rp | 36 | 5 | 2 | .400 | 1 | .200 | 11 | 25 | 5 | .200 | 51 | 51 | 11 | 13.4 | .612 |
| Bob Gibson | STL | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 120.3 | .624 |
| Dave Giusti | CHC | rp | 30 | 7 | 0 | .000 | 4 | .571 | 10 | 19 | 6 | .316 | 69 | 60 | 12 | 30.3 | .623 |
| Fred Gladding | MIL | rp | 35 | 2 | 0 | .000 | 1 | .500 | 11 | 17 | 3 | .176 | 45 | 45 | 12 | 14.4 | .592 |
| Bill Gogolewski | MON | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 101.4 | .636 |
| Wayne Granger | BOS | rp | 26 | 39 | 30 | .769 | 9 | .231 | 1 | 31 | 5 | .161 | 67 | 67 | 55 | 17.1 | .645 |
| Jim Grant | PHI | rp | 34 | 42 | 28 | .667 | 8 | .190 | 15 | 31 | 11 | .355 | 83 | 83 | 39 | 15.9 | .658 |
| Bill Greif | PHI | rp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 3 | 1.000 | 4 | 4 | 3 | 33.8 | .533 |
| Tom Griffin | MIL | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 87.4 | .553 |
| Ross Grimsley* | LAD | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 99.6 | .641 |
| Joe Grzenda* | CLE | rp | 34 | 16 | 14 | .875 | 1 | .063 | 6 | 22 | 5 | .227 | 48 | 48 | 29 | 17.1 | .673 |
| Don Gullett* | NYY | sp | 20 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 99.1 | .622 |
| Larry Gura* | ATL | rp | 22 | 0 | 0 | .000 | 0 | .000 | 3 | 13 | 4 | .308 | 11 | 11 | 1 | 18.5 | .520 |
| Dick Hall | CIN | rp | 39 | 11 | 7 | .636 | 3 | .273 | 6 | 17 | 7 | .412 | 36 | 36 | 19 | 17.6 | .694 |
| Tom Hall* | CHW | rp | 22 | 4 | 3 | .750 | 1 | .250 | 1 | 8 | 4 | .500 | 41 | 17 | 9 | 76.8 | .614 |
| Roger Hambright | ATL | rp | 22 | 2 | 1 | .500 | 1 | .500 | 1 | 14 | 3 | .214 | 15 | 15 | 8 | 19.1 | .610 |
| Steve Hamilton* | PHI | rp | 35 | 23 | 19 | .826 | 3 | .130 | 12 | 18 | 4 | .222 | 55 | 55 | 29 | 13.2 | .657 |
| Rich Hand | NYY | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 92.3 | .605 |
| Bill Hands | CIN | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 98.8 | .629 |
| Jim Hannan | SFG | rp | 30 | 3 | 0 | .000 | 1 | .333 | 8 | 39 | 14 | .359 | 55 | 54 | 15 | 20.4 | .612 |
| Jim Hardin | CLE | sp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 34 | 13 | .382 | 38 | 38 | 15 | 19.6 | .671 |
| Steve Hargan | OAK | sp | 27 | 40 | 38 | .950 | 2 | .050 | 1 | 29 | 5 | .172 | 72 | 72 | 58 | 17.0 | .583 |
| Chuck Hartenstein | HOU | rp | 28 | 44 | 30 | .682 | 14 | .318 | 1 | 39 | 13 | .333 | 73 | 73 | 57 | 15.6 | .628 |
| Andy Hassler* | SDP | sp | 19 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 7 | 2 | 0 | 71.1 | .580 |
| Hal Haydel | KCR | rp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 11 | 1 | .091 | 15 | 15 | 3 | 25.4 | .543 |
| Mike Hedlund | SDP | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 38 | 2 | 1 | 97.7 | .595 |
| Phil Hennigan | CAA | rp | 25 | 4 | 1 | .250 | 1 | .250 | 1 | 16 | 8 | .500 | 29 | 29 | 10 | 24.4 | .558 |
| Ron Herbel | MIL | rp | 32 | 0 | 0 | .000 | 0 | .000 | 1 | 32 | 22 | .688 | 37 | 37 | 6 | 27.2 | .620 |
| Ron Herbel | BOS | rp | 32 | 0 | 0 | .000 | 0 | .000 | 1 | 5 | 1 | .200 | 15 | 5 | 1 | 74.1 | .613 |
| Ramon Hernandez* | CAA | rp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 | 26.0 | .615 |
| Dennis Higgins | WSH | rp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 34 | 11 | .324 | 35 | 35 | 13 | 27.4 | .580 |
| Tom Hilgendorf* | SDP | rp | 28 | 2 | 0 | .000 | 1 | .500 | 3 | 14 | 5 | .357 | 18 | 18 | 6 | 23.2 | .614 |
| John Hiller* | CAA | rp | 27 | 2 | 0 | .000 | 2 | 1.000 | 0 | 16 | 5 | .313 | 28 | 28 | 10 | 21.8 | .602 |
| Joe Hoerner* | CHW | rp | 34 | 24 | 20 | .833 | 4 | .167 | 1 | 28 | 8 | .286 | 54 | 54 | 38 | 16.7 | .609 |
| Ken Holtzman* | PHI | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 40 | 0 | 0 | 105.9 | .620 |
| Burt Hooton | CHW | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 0 | .000 | 8 | 5 | 5 | 63.8 | .582 |
| Joe Horlen | CHW | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 97.8 | .655 |
| Charlie Hough | SDP | rp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 11 | 6 | .545 | 14 | 14 | 5 | 31.0 | .585 |
| Tom House* | MIN | rp | 24 | 2 | 1 | .500 | 0 | .000 | 3 | 23 | 7 | .304 | 26 | 26 | 8 | 12.4 | .628 |
| Al Hrabosky* | CHW | rp | 20 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 4 | 2 | 24.5 | .571 |
| Bob Humphreys | CIN | rp | 34 | 9 | 8 | .889 | 0 | .000 | 1 | 17 | 8 | .471 | 33 | 33 | 23 | 20.8 | .588 |
| Catfish Hunter | HOU | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 100.0 | .634 |
| Grant Jackson* | NYM | rp | 28 | 10 | 7 | .700 | 2 | .200 | 15 | 29 | 4 | .138 | 58 | 58 | 20 | 17.1 | .642 |
| Jerry Janeski | MON | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 89.9 | .638 |
| Pat Jarvis | PIT | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 110.1 | .619 |
| Ferguson Jenkins | PHI | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 41 | 0 | 0 | 100.0 | .682 |
| Tommy John* | CLE | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 39 | 0 | 0 | 93.7 | .626 |
| Bart Johnson | OAK | rp | 21 | 1 | 1 | 1.000 | 0 | .000 | 0 | 12 | 5 | .417 | 32 | 10 | 5 | 89.5 | .565 |
| Bob Johnson | CIN | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 111.1 | .622 |
| Jerry Johnson | SDP | rp | 27 | 10 | 4 | .400 | 6 | .600 | 3 | 21 | 8 | .381 | 70 | 70 | 41 | 26.1 | .609 |
| Jim Kaat* | MIN | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 88.9 | .698 |
| Steve Kealey | MON | rp | 24 | 1 | 1 | 1.000 | 0 | .000 | 2 | 35 | 17 | .486 | 49 | 49 | 21 | 25.8 | .647 |
| Mike Kekich* | WSH | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 2 | .667 | 31 | 1 | 1 | 88.2 | .590 |
| Dick Kelley* | DET | rp | 31 | 5 | 3 | .600 | 1 | .200 | 7 | 32 | 11 | .344 | 55 | 55 | 14 | 16.8 | .626 |
| Tom Kelley | MIL | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 90.7 | .565 |
| Mike Kilkenny* | BOS | rp | 26 | 10 | 6 | .600 | 4 | .400 | 5 | 30 | 7 | .233 | 50 | 50 | 17 | 19.7 | .582 |
| Clay Kirby | PHI | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 39 | 0 | 0 | 107.5 | .606 |
| Bruce Kison | MIN | sp | 21 | 2 | 1 | .500 | 0 | .000 | 8 | 26 | 9 | .346 | 50 | 50 | 11 | 17.8 | .567 |
| Ron Klimkowski | HOU | rp | 26 | 9 | 3 | .333 | 3 | .333 | 21 | 26 | 7 | .269 | 83 | 83 | 27 | 20.0 | .605 |
| Steve Kline | BOS | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 92.8 | .670 |
| Darold Knowles* | CLE | rp | 29 | 5 | 3 | .600 | 0 | .000 | 4 | 15 | 1 | .067 | 28 | 27 | 11 | 18.6 | .633 |
| Cal Koonce | OAK | rp | 29 | 1 | 1 | 1.000 | 0 | .000 | 5 | 23 | 2 | .087 | 43 | 42 | 10 | 21.5 | .594 |
| Jerry Koosman* | BAL | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 97.7 | .638 |
| Lew Krausse | STL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 96.3 | .631 |
| Marcel Lachemann | LAD | rp | 29 | 4 | 2 | .500 | 0 | .000 | 5 | 25 | 8 | .320 | 43 | 43 | 13 | 14.9 | .647 |
| Lerrin LaGrow | KCR | rp | 21 | 1 | 1 | 1.000 | 0 | .000 | 0 | 4 | 4 | 1.000 | 6 | 6 | 2 | 42.3 | .579 |
| John Lamb | ATL | rp | 23 | 9 | 5 | .556 | 4 | .444 | 1 | 11 | 7 | .636 | 28 | 28 | 19 | 21.4 | .603 |
| Ray Lamb | OAK | rp | 26 | 5 | 3 | .600 | 1 | .200 | 3 | 42 | 13 | .310 | 61 | 57 | 23 | 27.4 | .611 |
| Dave LaRoche* | SFG | rp | 23 | 7 | 2 | .286 | 4 | .571 | 11 | 14 | 9 | .643 | 58 | 58 | 16 | 20.5 | .636 |
| Fred Lasher | KCR | rp | 28 | 0 | 0 | .000 | 0 | .000 | 3 | 31 | 12 | .387 | 42 | 40 | 17 | 31.1 | .569 |
| Bill Lee* | CIN | rp | 24 | 11 | 10 | .909 | 0 | .000 | 1 | 10 | 1 | .100 | 35 | 24 | 19 | 42.9 | .627 |
| Denny Lemaster* | BOS | rp | 32 | 3 | 2 | .667 | 1 | .333 | 0 | 22 | 11 | .500 | 32 | 32 | 14 | 20.5 | .589 |
| Dave Leonhard | KCR | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 12 | 3 | .250 | 17 | 9 | 7 | 57.1 | .591 |
| Barry Lersch | PHI | sp | 26 | 1 | 0 | .000 | 0 | .000 | 4 | 7 | 0 | .000 | 19 | 15 | 6 | 31.9 | .627 |
| Paul Lindblad* | CHW | rp | 29 | 9 | 5 | .556 | 2 | .222 | 15 | 40 | 11 | .275 | 71 | 71 | 20 | 19.9 | .639 |
| Frank Linzy | CIN | rp | 30 | 10 | 7 | .700 | 1 | .100 | 10 | 24 | 10 | .417 | 56 | 56 | 21 | 17.8 | .628 |
| Bob Locker | LAD | rp | 33 | 8 | 2 | .250 | 4 | .500 | 14 | 21 | 8 | .381 | 67 | 67 | 19 | 17.2 | .671 |
| Skip Lockwood | MIN | sp | 24 | 0 | 0 | .000 | 0 | .000 | 1 | 25 | 5 | .200 | 36 | 34 | 17 | 26.5 | .571 |
| Mickey Lolich* | DET | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 113.3 | .645 |
| Jim Lonborg | CHW | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 94.7 | .621 |
| Marcelino Lopez* | MIL | rp | 26 | 1 | 0 | .000 | 0 | .000 | 0 | 23 | 9 | .391 | 27 | 27 | 17 | 20.6 | .582 |
| Marcelino Lopez* | OAK | rp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 4 | 4 | 0 | 23.0 | .565 |
| Sparky Lyle* | STL | rp | 26 | 5 | 1 | .200 | 1 | .200 | 7 | 14 | 9 | .643 | 37 | 37 | 6 | 16.4 | .568 |
| Juan Marichal | SFG | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 96.2 | .653 |
| Mike Marshall | MIL | rp | 28 | 21 | 13 | .619 | 8 | .381 | 2 | 20 | 9 | .450 | 48 | 48 | 37 | 21.4 | .593 |
| Jon Matlack* | SDP | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 1 | 1 | 109.8 | .554 |
| Rudy May* | MIN | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 35 | 1 | 0 | 101.6 | .617 |
| Ernie McAnally | LAD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 34 | 2 | 2 | 101.2 | .562 |
| Jim McAndrew | ATL | sp | 26 | 1 | 0 | .000 | 1 | 1.000 | 2 | 11 | 5 | .455 | 34 | 14 | 7 | 59.3 | .649 |
| Mike McCormick* | KCR | rp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 13 | 1 | 1 | 81.8 | .612 |
| Lindy McDaniel | CHC | rp | 34 | 26 | 17 | .654 | 5 | .192 | 10 | 33 | 8 | .242 | 70 | 70 | 40 | 18.9 | .665 |
| Sam McDowell* | CLE | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 40 | 0 | 0 | 110.3 | .605 |
| Dan McGinn* | MIL | rp | 26 | 3 | 1 | .333 | 2 | .667 | 3 | 17 | 5 | .294 | 26 | 26 | 8 | 20.8 | .549 |
| Jim McGlothlin | PHI | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 1 | .250 | 32 | 4 | 2 | 83.6 | .617 |
| Tug McGraw* | BOS | rp | 26 | 5 | 3 | .600 | 1 | .200 | 4 | 11 | 6 | .545 | 42 | 33 | 17 | 40.2 | .607 |
| Denny McLain | NYY | sp | 27 | 1 | 0 | .000 | 1 | 1.000 | 2 | 39 | 18 | .462 | 46 | 45 | 3 | 26.6 | .609 |
| Don McMahon | ATL | rp | 40 | 25 | 17 | .680 | 7 | .280 | 3 | 31 | 6 | .194 | 57 | 57 | 41 | 20.9 | .601 |
| Dave McNally* | BAL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 100.6 | .642 |
| Mike McQueen* | DET | rp | 20 | 3 | 0 | .000 | 1 | .333 | 7 | 30 | 8 | .267 | 38 | 38 | 14 | 24.2 | .596 |
| Norm McRae | ATL | rp | 22 | 2 | 0 | .000 | 0 | .000 | 4 | 11 | 1 | .091 | 15 | 15 | 3 | 18.7 | .496 |
| Jim Merritt* | CHW | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 90.7 | .647 |
| Andy Messersmith | WSH | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 102.4 | .586 |
| Pete Mikkelsen | LAD | rp | 30 | 33 | 23 | .697 | 10 | .303 | 0 | 31 | 8 | .258 | 64 | 64 | 47 | 17.5 | .613 |
| Bob Miller | CIN | rp | 32 | 2 | 0 | .000 | 2 | 1.000 | 1 | 40 | 20 | .500 | 51 | 51 | 14 | 26.4 | .610 |
| Steve Mingori* | CHC | rp | 27 | 22 | 18 | .818 | 3 | .136 | 6 | 25 | 3 | .120 | 46 | 46 | 28 | 15.2 | .606 |
| Joe Moeller | SDP | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 0 | 0 | 96.8 | .637 |
| Joe Moeller | DET | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 90.6 | .640 |
| Aurelio Monteagudo | NYM | rp | 26 | 1 | 0 | .000 | 1 | 1.000 | 6 | 16 | 2 | .125 | 29 | 29 | 9 | 16.4 | .628 |
| Monty Montgomery | NYM | sp | 24 | 1 | 0 | .000 | 0 | .000 | 3 | 6 | 2 | .333 | 20 | 20 | 12 | 17.8 | .665 |
| Balor Moore* | CIN | rp | 19 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 1 | 33.5 | .522 |
| Barry Moore* | WSH | sp | 27 | 3 | 2 | .667 | 1 | .333 | 12 | 39 | 14 | .359 | 62 | 58 | 20 | 22.9 | .594 |
| Bob Moose | ATL | sp | 22 | 0 | 0 | .000 | 0 | .000 | 1 | 19 | 4 | .211 | 40 | 25 | 5 | 53.3 | .611 |
| Dave Morehead | MON | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 98.9 | .582 |
| Roger Moret* | NYM | sp | 21 | 1 | 1 | 1.000 | 0 | .000 | 0 | 13 | 5 | .385 | 20 | 16 | 11 | 39.0 | .591 |
| John Morris* | SDP | rp | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 0 | .000 | 21 | 10 | 6 | 68.0 | .636 |
| Carl Morton | OAK | sp | 26 | 2 | 2 | 1.000 | 0 | .000 | 1 | 18 | 4 | .222 | 35 | 17 | 6 | 57.2 | .595 |
| Danny Murphy | SDP | rp | 27 | 2 | 2 | 1.000 | 0 | .000 | 1 | 10 | 6 | .600 | 15 | 15 | 4 | 20.7 | .505 |
| Tom Murphy | NYY | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 97.2 | .598 |
| Mike Nagy | NYY | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 6 | 4 | 3 | 42.0 | .583 |
| Jim Nash | OAK | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 1 | 0 | 94.0 | .593 |
| Gary Neibauer | DET | rp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 7 | 2 | .286 | 16 | 16 | 9 | 28.2 | .576 |
| Jim Nelson | MON | sp | 22 | 9 | 4 | .444 | 2 | .222 | 12 | 34 | 21 | .618 | 61 | 61 | 18 | 24.4 | .575 |
| Roger Nelson | CIN | rp | 27 | 9 | 7 | .778 | 2 | .222 | 3 | 23 | 6 | .261 | 33 | 33 | 15 | 18.9 | .667 |
| Ray Newman* | ATL | rp | 26 | 3 | 3 | 1.000 | 0 | .000 | 17 | 27 | 3 | .111 | 51 | 51 | 15 | 15.9 | .583 |
| Joe Niekro | CHC | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 37 | 0 | 0 | 93.5 | .624 |
| Phil Niekro | ATL | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 110.4 | .634 |
| Gary Nolan | HOU | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.0 | .641 |
| Fred Norman* | PIT | sp | 28 | 4 | 2 | .500 | 1 | .250 | 1 | 12 | 4 | .333 | 26 | 26 | 13 | 19.5 | .615 |
| Rich Nye* | CAA | rp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 7 | 7 | 6 | 13.3 | .634 |
| Bob O'Brien* | CIN | rp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 93.0 | .627 |
| Bob O'Brien* | HOU | rp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 1 | 25.5 | .627 |
| John O'Donoghue* | HOU | rp | 30 | 7 | 3 | .429 | 3 | .429 | 9 | 27 | 8 | .296 | 46 | 46 | 20 | 17.7 | .595 |
| Blue Moon Odom | NYM | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 101.4 | .557 |
| Claude Osteen* | BAL | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.0 | .636 |
| Jim Palmer | BAL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 104.5 | .640 |
| Lowell Palmer | BOS | rp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 21 | 3 | 1 | 85.4 | .581 |
| Milt Pappas | BAL | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 95.0 | .627 |
| Harry Parker | PHI | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 13 | 13 | 6 | 23.7 | .529 |
| Bill Parsons | CHC | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 37 | 0 | 0 | 94.8 | .615 |
| Daryl Patterson | SDP | rp | 26 | 2 | 1 | .500 | 1 | .500 | 0 | 3 | 1 | .333 | 12 | 12 | 3 | 24.6 | .593 |
| Marty Pattin | CHW | sp | 27 | 8 | 5 | .625 | 2 | .250 | 3 | 9 | 3 | .333 | 45 | 17 | 10 | 70.6 | .637 |
| Mike Paul* | DET | sp | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 18 | 5 | .278 | 34 | 34 | 8 | 19.8 | .685 |
| Jose Pena | CAA | rp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 21 | 8 | .381 | 29 | 29 | 10 | 29.1 | .595 |
| Orlando Pena | DET | rp | 36 | 20 | 9 | .450 | 8 | .400 | 5 | 30 | 11 | .367 | 50 | 50 | 28 | 12.8 | .650 |
| Ron Perranoski* | CAA | rp | 34 | 41 | 30 | .732 | 11 | .268 | 0 | 14 | 6 | .429 | 59 | 59 | 48 | 20.6 | .604 |
| Gaylord Perry | SFG | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 106.6 | .628 |
| Jim Perry | CLE | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 40 | 0 | 0 | 96.4 | .668 |
| Gary Peters* | PIT | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 104.2 | .632 |
| Fritz Peterson* | NYY | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 96.9 | .696 |
| Tom Phoebus | OAK | sp | 28 | 5 | 2 | .400 | 2 | .400 | 15 | 30 | 9 | .300 | 63 | 63 | 10 | 16.7 | .577 |
| Horacio Pina | MIL | rp | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 12 | 4 | .333 | 16 | 16 | 9 | 22.0 | .591 |
| Skip Pitlock* | MON | sp | 22 | 4 | 2 | .500 | 1 | .250 | 3 | 69 | 19 | .275 | 67 | 67 | 13 | 23.0 | .595 |
| Juan Pizarro* | STL | sp | 34 | 0 | 0 | .000 | 0 | .000 | 1 | 25 | 8 | .320 | 32 | 29 | 8 | 35.6 | .626 |
| Bob Priddy | KCR | rp | 30 | 1 | 0 | .000 | 1 | 1.000 | 1 | 30 | 19 | .633 | 21 | 21 | 3 | 30.4 | .579 |
| Mel Queen | CIN | rp | 29 | 2 | 0 | .000 | 2 | 1.000 | 6 | 14 | 8 | .571 | 28 | 28 | 10 | 26.4 | .605 |
| Mel Queen | PIT | rp | 29 | 2 | 1 | .500 | 1 | .500 | 3 | 3 | 1 | .333 | 18 | 18 | 7 | 17.1 | .599 |
| Jim Ray | PHI | rp | 26 | 4 | 0 | .000 | 3 | .750 | 19 | 22 | 5 | .227 | 63 | 63 | 16 | 17.6 | .618 |
| Claude Raymond | KCR | rp | 33 | 16 | 13 | .813 | 3 | .188 | 5 | 38 | 10 | .263 | 66 | 66 | 44 | 19.5 | .638 |
| Frank Reberger | BOS | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 15 | 3 | .200 | 20 | 15 | 2 | 42.0 | .601 |
| Bob Reed | WSH | rp | 25 | 3 | 3 | 1.000 | 0 | .000 | 2 | 28 | 9 | .321 | 39 | 39 | 12 | 23.2 | .604 |
| Howie Reed | WSH | rp | 33 | 32 | 21 | .656 | 11 | .344 | 0 | 32 | 18 | .563 | 59 | 59 | 41 | 20.4 | .565 |
| Ron Reed | BAL | sp | 28 | 1 | 0 | .000 | 1 | 1.000 | 1 | 36 | 14 | .389 | 38 | 37 | 11 | 27.7 | .652 |
| Phil Regan | LAD | rp | 33 | 0 | 0 | .000 | 0 | .000 | 2 | 35 | 12 | .343 | 44 | 44 | 17 | 23.2 | .621 |
| Steve Renko | KCR | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 37 | 1 | 0 | 104.8 | .581 |
| Jerry Reuss* | STL | sp | 21 | 2 | 1 | .500 | 1 | .500 | 0 | 15 | 6 | .400 | 18 | 18 | 9 | 22.9 | .624 |
| Bob Reynolds | PHI | rp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 2 | 2 | 1 | 12.0 | .542 |
| Ken Reynolds* | WSH | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 97.4 | .581 |
| J.R. Richard | ATL | sp | 21 | 7 | 4 | .571 | 3 | .429 | 2 | 12 | 5 | .417 | 23 | 23 | 10 | 23.3 | .514 |
| Pete Richert* | CAA | rp | 30 | 4 | 1 | .250 | 2 | .500 | 4 | 9 | 3 | .333 | 33 | 33 | 8 | 19.5 | .604 |
| Denny Riddleberger* | LAD | rp | 25 | 5 | 4 | .800 | 0 | .000 | 8 | 26 | 5 | .192 | 56 | 56 | 21 | 18.0 | .632 |
| Dave Roberts* | DET | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 105.7 | .641 |
| Rich Robertson | CHC | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 4 | 3 | 82.7 | .579 |
| Jim Roland* | DET | rp | 28 | 23 | 14 | .609 | 7 | .304 | 7 | 42 | 14 | .333 | 54 | 54 | 29 | 15.0 | .602 |
| Vicente Romo | PIT | rp | 28 | 5 | 2 | .400 | 2 | .400 | 3 | 6 | 2 | .333 | 28 | 28 | 10 | 20.8 | .584 |
| Jim Rooker* | CAA | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 98.8 | .583 |
| Gary Ross | KCR | rp | 22 | 1 | 0 | .000 | 1 | 1.000 | 1 | 23 | 9 | .391 | 39 | 37 | 15 | 30.7 | .593 |
| Nolan Ryan | STL | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 116.8 | .543 |
| Ray Sadecki* | STL | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 108.9 | .634 |
| Ken Sanders | STL | rp | 29 | 45 | 36 | .800 | 9 | .200 | 2 | 32 | 5 | .156 | 75 | 75 | 53 | 18.3 | .643 |
| Al Santorini | LAD | sp | 22 | 1 | 0 | .000 | 1 | 1.000 | 1 | 51 | 27 | .529 | 51 | 48 | 9 | 32.7 | .566 |
| Fred Scherman* | SDP | rp | 26 | 13 | 9 | .692 | 4 | .308 | 0 | 20 | 7 | .350 | 67 | 60 | 51 | 32.2 | .601 |
| Tom Seaver | NYM | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 38 | 0 | 0 | 108.7 | .634 |
| Chuck Seelbach | CLE | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 4 | 4 | 1 | 39.0 | .474 |
| Diego Segui | SFG | rp | 32 | 2 | 0 | .000 | 1 | .500 | 6 | 32 | 14 | .438 | 61 | 57 | 13 | 26.9 | .583 |
| Dick Selma | PIT | rp | 26 | 7 | 3 | .429 | 4 | .571 | 21 | 37 | 15 | .405 | 91 | 91 | 28 | 22.9 | .593 |
| Al Severinsen | NYM | rp | 26 | 2 | 1 | .500 | 1 | .500 | 3 | 53 | 15 | .283 | 52 | 52 | 11 | 21.8 | .592 |
| Don Shaw* | NYY | rp | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 11 | 2 | .182 | 23 | 23 | 8 | 15.0 | .574 |
| Jim Shellenback* | SDP | rp | 26 | 1 | 0 | .000 | 1 | 1.000 | 1 | 12 | 5 | .417 | 36 | 19 | 5 | 64.0 | .607 |
| Chris Short* | OAK | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 1 | 1 | 101.6 | .624 |
| Sonny Siebert | LAD | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 98.0 | .642 |
| Wayne Simpson | PIT | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 100.0 | .587 |
| Bill Singer | CLE | sp | 26 | 5 | 3 | .600 | 2 | .400 | 18 | 20 | 8 | .400 | 42 | 40 | 13 | 25.3 | .620 |
| Jim Slaton | HOU | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 99.2 | .587 |
| Scipio Spinks | CIN | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 2 | 2 | 80.4 | .600 |
| Paul Splittorff* | CAA | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 97.0 | .659 |
| Ed Sprague | HOU | rp | 25 | 5 | 3 | .600 | 1 | .200 | 5 | 5 | 2 | .400 | 13 | 13 | 5 | 18.1 | .609 |
| George Stone* | WSH | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 99.8 | .661 |
| Steve Stone | SDP | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 4 | 1 | 89.8 | .584 |
| Bill Stoneman | CIN | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 102.4 | .578 |
| Mel Stottlemyre | NYY | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 90.7 | .638 |
| Mike Strahler | HOU | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 0 | .000 | 14 | 14 | 7 | 16.9 | .559 |
| Jim Strickland* | MIN | rp | 25 | 3 | 0 | .000 | 1 | .333 | 14 | 13 | 1 | .077 | 45 | 45 | 8 | 14.4 | .558 |
| John Strohmayer | SDP | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 25 | 5 | 5 | 85.5 | .620 |
| Don Sutton | LAD | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 105.7 | .656 |
| Ken Tatum | CHC | rp | 26 | 7 | 3 | .429 | 2 | .286 | 13 | 38 | 15 | .395 | 76 | 76 | 18 | 20.5 | .628 |
| Chuck Taylor | STL | rp | 28 | 10 | 5 | .500 | 3 | .300 | 20 | 25 | 6 | .240 | 70 | 70 | 19 | 14.4 | .654 |
| Ron Taylor | NYY | rp | 33 | 9 | 1 | .111 | 6 | .667 | 17 | 25 | 9 | .360 | 62 | 62 | 10 | 12.9 | .699 |
| Mike Thompson | CIN | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 106.9 | .533 |
| Mike Thompson | MON | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 1 | 0 | 87.6 | .565 |
| Luis Tiant | CLE | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 17 | 9 | .529 | 20 | 19 | 6 | 30.6 | .595 |
| Tom Timmermann | MIN | rp | 30 | 14 | 9 | .643 | 4 | .286 | 8 | 44 | 14 | .318 | 76 | 76 | 20 | 21.6 | .634 |
| Ron Tompkins | CIN | rp | 26 | 1 | 0 | .000 | 1 | 1.000 | 1 | 1 | 1 | 1.000 | 11 | 11 | 3 | 20.9 | .613 |
| Ron Tompkins | MON | rp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 9 | 9 | 6 | 20.4 | .576 |
| Mike Torrez | CHW | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 105.5 | .564 |
| Wayne Twitchell | OAK | rp | 23 | 2 | 2 | 1.000 | 0 | .000 | 0 | 4 | 0 | .000 | 10 | 10 | 10 | 27.8 | .514 |
| Cecil Upshaw | NYM | rp | 28 | 1 | 0 | .000 | 1 | 1.000 | 2 | 24 | 10 | .417 | 40 | 40 | 10 | 26.5 | .657 |
| Sandy Vance | WSH | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 85.5 | .633 |
| Bob Veale* | MIN | sp | 34 | 0 | 0 | .000 | 0 | .000 | 1 | 19 | 6 | .316 | 36 | 17 | 6 | 63.4 | .622 |
| Gary Wagner | NYY | rp | 30 | 1 | 1 | 1.000 | 0 | .000 | 0 | 3 | 0 | .000 | 2 | 2 | 1 | 14.0 | .500 |
| Luke Walker* | DET | rp | 26 | 6 | 1 | .167 | 3 | .500 | 21 | 51 | 22 | .431 | 88 | 88 | 26 | 18.3 | .591 |
| Ray Washburn | SDP | rp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 91.2 | .581 |
| Gary Waslewski | CAA | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 16 | 6 | .375 | 21 | 21 | 7 | 23.2 | .605 |
| Eddie Watt | MIN | rp | 30 | 7 | 1 | .143 | 3 | .429 | 24 | 18 | 6 | .333 | 54 | 54 | 6 | 12.5 | .639 |
| Floyd Weaver | CHC | rp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 9 | 3 | 3 | 64.4 | .612 |
| Mike Wegener | CHC | sp | 23 | 2 | 1 | .500 | 0 | .000 | 1 | 20 | 10 | .500 | 33 | 21 | 10 | 49.6 | .576 |
| Fred Wenz | CAA | rp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 2 | 2 | 1 | 24.5 | .673 |
| Milt Wilcox | PHI | rp | 21 | 3 | 1 | .333 | 2 | .667 | 4 | 8 | 3 | .375 | 11 | 11 | 3 | 14.1 | .555 |
| Hoyt Wilhelm | SFG | rp | 46 | 12 | 6 | .500 | 6 | .500 | 8 | 23 | 15 | .652 | 52 | 52 | 16 | 20.5 | .608 |
| Charlie Williams | WSH | rp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 23 | 11 | .478 | 31 | 31 | 14 | 26.7 | .589 |
| Stan Williams | BAL | rp | 33 | 48 | 41 | .854 | 7 | .146 | 0 | 48 | 16 | .333 | 82 | 82 | 73 | 16.4 | .633 |
| Ron Willis | BOS | rp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 39 | 16 | .410 | 43 | 43 | 9 | 24.1 | .611 |
| Jim Willoughby | SFG | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 3 | 1.000 | 1 | 1 | 0 | 36.0 | .444 |
| Bill Wilson | PIT | rp | 28 | 37 | 27 | .730 | 10 | .270 | 1 | 39 | 14 | .359 | 57 | 57 | 44 | 18.2 | .607 |
| Don Wilson | NYM | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 38 | 0 | 0 | 105.2 | .627 |
| Earl Wilson | BOS | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 97.4 | .636 |
| Rick Wise | PIT | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 105.2 | .630 |
| Wilbur Wood* | MIN | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 37 | 0 | 0 | 101.3 | .654 |
| Dick Woodson | PHI | rp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 2 | .250 | 16 | 16 | 8 | 27.0 | .581 |
| Clyde Wright* | CAA | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 108.5 | .640 |
| Ken Wright | MON | sp | 24 | 4 | 3 | .750 | 1 | .250 | 2 | 22 | 5 | .227 | 41 | 36 | 22 | 37.9 | .557 |
| Jim York | WSH | rp | 23 | 10 | 3 | .300 | 5 | .500 | 20 | 47 | 22 | .468 | 91 | 91 | 33 | 21.3 | .615 |
| Chris Zachary | NYY | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 43 | 14 | .326 | 52 | 52 | 21 | 28.2 | .644 |
| Bill Zepp | PIT | rp | 23 | 1 | 0 | .000 | 1 | 1.000 | 1 | 30 | 6 | .200 | 43 | 43 | 15 | 22.4 | .601 |