League standings - 1948 National
Regular season
| Divisional |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | RF | RA | Mgn | Mgc |
| 1948 | Brooklyn | 98 | 56 | .636 | - |   | 8-2 | L1 | lwwwwwwlww | 953 | 758 | 195 | 0 |
| 1948 | Chicago (N) | 96 | 58 | .623 | 2 |   | 8-2 | W5 | wwwwwlwwlw | 763 | 618 | 145 |   |
| 1948 | Cincinnati | 88 | 66 | .571 | 10 |   | 7-3 | W2 | wwllwwwwlw | 883 | 739 | 144 |   |
| 1948 | Pittsburgh | 78 | 76 | .506 | 20 |   | 2-8 | L2 | llwlllllwl | 974 | 899 | 75 |   |
| 1948 | Boston (N) | 73 | 81 | .474 | 25 |   | 1-9 | L2 | llwlllllll | 709 | 747 | -38 |   |
| 1948 | Philadelphia (N | 68 | 86 | .442 | 30 |   | 4-6 | W1 | wlwwlllwll | 655 | 761 | -106 |   |
| 1948 | New York (N) | 64 | 90 | .416 | 34 |   | 6-4 | W2 | wwlllwwwlw | 675 | 815 | -140 |   |
| 1948 | St. Louis (N) | 51 | 103 | .331 | 47 |   | 4-6 | L4 | llllwwllww | 746 | 1021 | -275 |   |
| Wildcard |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | Mgc |
| 1948 | Brooklyn | 98 | 56 | .636 | na |   | 8-2 | L1 | lwwwwwwlww |   |
| 1948 | Chicago (N) | 96 | 58 | .623 | - |   | 8-2 | W5 | wwwwwlwwlw | 0 |
| 1948 | Cincinnati | 88 | 66 | .571 | 8 |   | 7-3 | W2 | wwllwwwwlw |   |
| 1948 | Pittsburgh | 78 | 76 | .506 | 18 |   | 2-8 | L2 | llwlllllwl |   |
| 1948 | Boston (N) | 73 | 81 | .474 | 23 |   | 1-9 | L2 | llwlllllll |   |
| 1948 | Philadelphia (N | 68 | 86 | .442 | 28 |   | 4-6 | W1 | wlwwlllwll |   |
| 1948 | New York (N) | 64 | 90 | .416 | 32 |   | 6-4 | W2 | wwlllwwwlw |   |
| 1948 | St. Louis (N) | 51 | 103 | .331 | 45 |   | 4-6 | L4 | llllwwllww |   |
| Expanded1 |
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| 1948 | Brooklyn | 56-21 | 42-35 | 98-56 |   | 38-22 | 60-34 | 98-56 |   |
| 1948 | Chicago (N) | 51-26 | 45-32 | 96-58 |   | 37-19 | 59-39 | 96-58 |   |
| 1948 | Cincinnati | 44-33 | 44-33 | 88-66 |   | 36-28 | 52-38 | 88-66 |   |
| 1948 | Pittsburgh | 46-32 | 32-44 | 78-76 |   | 33-29 | 45-47 | 78-76 |   |
| 1948 | Boston (N) | 40-37 | 33-44 | 73-81 |   | 27-31 | 46-50 | 73-81 |   |
| 1948 | Philadelphia (N | 35-41 | 33-45 | 68-86 |   | 28-36 | 40-50 | 68-86 |   |
| 1948 | New York (N) | 37-40 | 27-50 | 64-90 |   | 32-29 | 32-61 | 64-90 |   |
| 1948 | St. Louis (N) | 31-46 | 20-57 | 51-103 |   | 27-34 | 24-69 | 51-103 |   |
| Expanded2 |
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| 1948 | Brooklyn | 76-8 | 11-4 | 11-44 | 24-13 | 11-5 |
| 1948 | Chicago (N) | 82-5 | 9-11 | 5-42 | 22-19 | 10-6 |
| 1948 | Cincinnati | 65-7 | 13-7 | 10-52 | 23-21 | 10-7 |
| 1948 | Pittsburgh | 65-11 | 8-12 | 5-53 | 18-24 | 5-10 |
| 1948 | Boston (N) | 58-7 | 6-13 | 9-61 | 23-25 | 12-7 |
| 1948 | Philadelphia (N | 52-3 | 9-13 | 7-70 | 19-21 | 5-12 |
| 1948 | New York (N) | 49-7 | 9-7 | 6-76 | 24-20 | 5-6 |
| 1948 | St. Louis (N) | 39-9 | 8-6 | 4-88 | 18-28 | 4-9 |