League team pitching totals - 1948 American
Regular season
| Primary |
| Team | ERA | W | L | S | G | CG | INN | H | R | ER | BB | K | HR | GDP |
| Detroit | 3.67 | 77 | 77 | 33 | 154 | 24 | 1388.2 | 1431 | 680 | 566 | 566 | 672 | 99 | 138 |
| Cleveland | 3.86 | 79 | 75 | 38 | 154 | 31 | 1383.2 | 1415 | 687 | 593 | 569 | 597 | 108 | 147 |
| Boston (A) | 4.00 | 92 | 62 | 38 | 154 | 18 | 1384.0 | 1489 | 722 | 615 | 518 | 522 | 115 | 150 |
| Philadelphia (A | 4.15 | 80 | 74 | 38 | 154 | 11 | 1380.0 | 1372 | 745 | 636 | 666 | 565 | 95 | 143 |
| Chicago (A) | 4.28 | 59 | 95 | 21 | 154 | 34 | 1386.1 | 1449 | 777 | 660 | 596 | 602 | 101 | 160 |
| New York (A) | 4.44 | 81 | 73 | 32 | 154 | 13 | 1385.1 | 1502 | 805 | 684 | 666 | 542 | 124 | 169 |
| Washington | 4.47 | 84 | 70 | 32 | 154 | 21 | 1372.2 | 1567 | 839 | 681 | 570 | 524 | 84 | 155 |
| St. Louis (A) | 5.08 | 64 | 90 | 35 | 154 | 10 | 1360.2 | 1660 | 879 | 768 | 624 | 577 | 124 | 147 |
| Totals | 4.24 | 616 | 616 | 267 | 1232 | 162 | 11041.1 | 11885 | 6134 | 5203 | 4775 | 4601 | 850 | 1209 |
| Secondary |
| Team | IW | HBP | SH | SF | WP | BK | SB | CS | PK | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB |
| Detroit | 25 | 25 | 85 | 52 | 25 | 1 | 45 | 33 | 7 | 9.3 | 3.7 | 13.1 | 4.4 | 0.6 | 1.2 |
| Cleveland | 22 | 29 | 75 | 51 | 8 | 0 | 16 | 23 | 2 | 9.2 | 3.7 | 13.1 | 3.9 | 0.7 | 1.0 |
| Boston (A) | 15 | 23 | 80 | 52 | 16 | 3 | 45 | 29 | 5 | 9.7 | 3.4 | 13.2 | 3.4 | 0.7 | 1.0 |
| Philadelphia (A | 3 | 21 | 86 | 53 | 23 | 5 | 42 | 24 | 3 | 8.9 | 4.3 | 13.4 | 3.7 | 0.6 | 0.8 |
| Chicago (A) | 23 | 39 | 78 | 50 | 31 | 3 | 53 | 31 | 7 | 9.4 | 3.9 | 13.5 | 3.9 | 0.7 | 1.0 |
| New York (A) | 17 | 34 | 85 | 66 | 25 | 9 | 39 | 22 | 7 | 9.8 | 4.3 | 14.3 | 3.5 | 0.8 | 0.8 |
| Washington | 21 | 14 | 90 | 62 | 30 | 2 | 41 | 29 | 9 | 10.3 | 3.7 | 14.1 | 3.4 | 0.6 | 0.9 |
| St. Louis (A) | 13 | 30 | 99 | 55 | 32 | 3 | 30 | 29 | 5 | 11.0 | 4.1 | 15.3 | 3.8 | 0.8 | 0.9 |
| Totals | 139 | 215 | 678 | 441 | 190 | 26 | 311 | 220 | 45 | 9.7 | 3.9 | 13.8 | 3.8 | 0.7 | 1.0 |
| Analytical |
| Team | OPS | WHIP | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Detroit | .721 | 1.44 | 4720 | .282 | 2622 | .431 | 2647 | .435 | 699.4 | 4.5 | 4.08 | 4.09 |
| Cleveland | .723 | 1.43 | 4781 | .273 | 2649 | .435 | 2678 | .440 | 698.0 | 4.4 | 4.09 | 4.10 |
| Boston (A) | .743 | 1.45 | 4916 | .279 | 2713 | .445 | 2736 | .449 | 736.3 | 4.7 | 4.31 | 4.29 |
| Philadelphia (A | .722 | 1.48 | 4754 | .269 | 2669 | .437 | 2690 | .441 | 705.5 | 4.5 | 4.14 | 4.17 |
| Chicago (A) | .744 | 1.48 | 4804 | .281 | 2747 | .447 | 2786 | .454 | 741.1 | 4.7 | 4.33 | 4.30 |
| New York (A) | .767 | 1.56 | 4898 | .281 | 2887 | .461 | 2921 | .466 | 802.0 | 5.1 | 4.69 | 4.84 |
| Washington | .758 | 1.56 | 5009 | .296 | 2789 | .450 | 2803 | .452 | 782.1 | 5.0 | 4.62 | 4.60 |
| St. Louis (A) | .810 | 1.68 | 4928 | .312 | 3012 | .479 | 3042 | .484 | 902.0 | 5.9 | 5.37 | 5.57 |
| Totals | .749 | 1.51 | 38810 | .284 | 22088 | .448 | 22303 | .453 | 6059.4 | 4.8 | 4.45 | 4.49 |
| Starters |
| Team | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Detroit | 154 | 24 | .156 | 15 | 90 | .584 | 727 | 4.7 | 203 | 91 | .448 | 140.1 | .604 |
| Cleveland | 154 | 31 | .201 | 8 | 85 | .552 | 680 | 4.4 | 191 | 57 | .298 | 139.9 | .604 |
| Boston (A) | 154 | 18 | .117 | 11 | 79 | .513 | 894 | 5.8 | 227 | 74 | .326 | 136.6 | .613 |
| Philadelphia (A | 154 | 11 | .071 | 2 | 84 | .545 | 783 | 5.1 | 247 | 79 | .320 | 139.4 | .590 |
| Chicago (A) | 154 | 34 | .221 | 7 | 86 | .558 | 679 | 4.4 | 152 | 64 | .421 | 141.3 | .595 |
| New York (A) | 154 | 13 | .084 | 9 | 75 | .487 | 817 | 5.3 | 326 | 133 | .408 | 144.6 | .587 |
| Washington | 154 | 21 | .136 | 5 | 76 | .494 | 849 | 5.5 | 262 | 109 | .416 | 139.1 | .604 |
| St. Louis (A) | 154 | 10 | .065 | 6 | 61 | .396 | 705 | 4.6 | 291 | 135 | .464 | 143.4 | .592 |
| Totals | 1232 | 162 | .131 | 63 | 636 | .516 | 6134 | 5.0 | 1899 | 742 | .391 | 140.6 | .598 |
| Relievers |
| Team | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | R/G | GF | R/GF |
| Detroit | 66 | 33 | .500 | 26 | .394 | 33 | 203 | 91 | .448 | 154 | 326 | 2.1 | 130 | 2.5 |
| Cleveland | 57 | 38 | .667 | 11 | .193 | 40 | 191 | 57 | .298 | 154 | 273 | 1.8 | 123 | 2.2 |
| Boston (A) | 65 | 38 | .585 | 18 | .277 | 56 | 227 | 74 | .326 | 154 | 361 | 2.3 | 136 | 2.7 |
| Philadelphia (A | 68 | 38 | .559 | 21 | .309 | 38 | 247 | 79 | .320 | 154 | 358 | 2.3 | 143 | 2.5 |
| Chicago (A) | 37 | 21 | .568 | 13 | .351 | 7 | 152 | 64 | .421 | 154 | 197 | 1.3 | 120 | 1.6 |
| New York (A) | 60 | 32 | .533 | 23 | .383 | 38 | 326 | 133 | .408 | 154 | 393 | 2.6 | 141 | 2.8 |
| Washington | 59 | 32 | .542 | 22 | .373 | 29 | 262 | 109 | .416 | 154 | 305 | 2.0 | 133 | 2.3 |
| St. Louis (A) | 66 | 35 | .530 | 23 | .348 | 26 | 291 | 135 | .464 | 154 | 355 | 2.3 | 144 | 2.5 |
| Totals | 478 | 267 | .559 | 157 | .328 | 267 | 1899 | 742 | .391 | 1232 | 2568 | 2.1 | 1070 | 2.4 |