League standings - 1940 National
Regular season
| Divisional |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | RF | RA | Mgn | Mgc |
| 1940 | Worcester Grays | 94 | 60 | .610 | - | | 9-1 | W8 | wwwwwwwwlw | 817 | 670 | 147 | 0 |
| 1940 | Hoosier Thunderbolts | 91 | 63 | .591 | 3 | | 10-0 | W18 | wwwwwwwwww | 841 | 649 | 192 | |
| 1940 | Western Panthers | 77 | 77 | .500 | 17 | | 5-5 | W3 | wwwllwllwl | 663 | 695 | -32 | |
| 1940 | Lafayette Blue Sox | 70 | 84 | .455 | 24 | | 5-5 | L3 | lllwwlwwlw | 546 | 705 | -159 | |
| 1940 | Otsego Lake Monsters | 68 | 86 | .442 | 26 | | 5-5 | L2 | llwlwwwwll | 767 | 839 | -72 | |
| 1940 | Schaumburg Hawks | 60 | 94 | .390 | 34 | | 4-6 | W2 | wwlwllllwl | 630 | 765 | -135 | |
| 1940 | Brooklyn Royal Giants | 50 | 104 | .325 | 44 | | 0-10 | L14 | llllllllll | 530 | 781 | -251 | |
| Wildcard |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | Mgc |
| 1940 | Worcester Grays | 94 | 60 | .610 | na | | 9-1 | W8 | wwwwwwwwlw | |
| 1940 | Hoosier Thunderbolts | 91 | 63 | .591 | - | | 10-0 | W18 | wwwwwwwwww | 0 |
| 1940 | Western Panthers | 77 | 77 | .500 | 14 | | 5-5 | W3 | wwwllwllwl | |
| 1940 | Lafayette Blue Sox | 70 | 84 | .455 | 21 | | 5-5 | L3 | lllwwlwwlw | |
| 1940 | Otsego Lake Monsters | 68 | 86 | .442 | 23 | | 5-5 | L2 | llwlwwwwll | |
| 1940 | Schaumburg Hawks | 60 | 94 | .390 | 31 | | 4-6 | W2 | wwlwllllwl | |
| 1940 | Brooklyn Royal Giants | 50 | 104 | .325 | 41 | | 0-10 | L14 | llllllllll | |
| Expanded1 |
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| 1940 | Worcester Grays | 49-28 | 45-32 | 94-60 | | 18-15 | 76-45 | 57-27 | 37-33 |
| 1940 | Hoosier Thunderbolts | 51-26 | 40-37 | 91-63 | | 14-17 | 77-46 | 50-34 | 41-29 |
| 1940 | Western Panthers | 43-34 | 34-43 | 77-77 | | 16-19 | 61-58 | 48-36 | 29-41 |
| 1940 | Lafayette Blue Sox | 36-41 | 34-43 | 70-84 | | 11-19 | 59-65 | 44-40 | 26-44 |
| 1940 | Otsego Lake Monsters | 41-36 | 27-50 | 68-86 | | 19-14 | 49-72 | 38-46 | 30-40 |
| 1940 | Schaumburg Hawks | 34-43 | 26-51 | 60-94 | | 10-18 | 50-76 | 33-51 | 27-43 |
| 1940 | Brooklyn Royal Giants | 27-50 | 23-54 | 50-104 | | 14-19 | 36-85 | 24-60 | 26-44 |
| Expanded2 |
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| 1940 | Worcester Grays | 69-7 | 13-8 | 12-45 | 28-21 | 18-6 |
| 1940 | Hoosier Thunderbolts | 83-11 | 5-6 | 3-46 | 20-25 | 2-5 |
| 1940 | Western Panthers | 60-6 | 12-7 | 5-64 | 18-25 | 6-9 |
| 1940 | Lafayette Blue Sox | 46-9 | 13-7 | 11-68 | 34-19 | 9-10 |
| 1940 | Otsego Lake Monsters | 55-6 | 4-9 | 9-71 | 18-22 | 5-5 |
| 1940 | Schaumburg Hawks | 43-12 | 10-8 | 7-74 | 18-29 | 5-10 |
| 1940 | Brooklyn Royal Giants | 38-11 | 6-10 | 6-83 | 17-20 | 5-7 |