| Divisional | ||||||||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | RF | RA | Mgn | Mgc | Pythag | PD | Div | |
| A | ||||||||||||||||
| 1920 | Carmel Crush | 88 | 66 | .571 | - | 8-2 | W3 | wwwllwwwww | 557 | 481 | 76 | 0 | 88-66 | 0 | 59-41 | |
| 1920 | Palos Hills PitVipers | 84 | 70 | .545 | 4 | 6-4 | L1 | lwlwlwwwwl | 723 | 612 | 111 | 90-64 | -6 | 61-39 | ||
| 1920 | South Manitou Sleeping Bears | 79 | 75 | .513 | 9 | 5-5 | W3 | wwwlwllllw | 644 | 631 | 13 | 79-75 | 0 | 49-51 | ||
| 1920 | Bloom County Losers | 75 | 79 | .487 | 13 | 6-4 | W1 | wlwwwlwlwl | 594 | 622 | -28 | 73-81 | 2 | 53-47 | ||
| 1920 | Chicago West Enders | 70 | 84 | .455 | 18 | 3-7 | L3 | lllwlwlwll | 694 | 735 | -41 | 73-81 | -3 | 42-58 | ||
| 1920 | Cedar Rapids Cyclones | 60 | 94 | .390 | 28 | 2-8 | L4 | llllwllllw | 533 | 673 | -140 | 59-95 | 1 | 36-64 | ||
| N | ||||||||||||||||
| 1920 | Boston Stranglers | 85 | 69 | .552 | - | 4-6 | L3 | lllwlllwww | 576 | 553 | 23 | 1 | 80-74 | 5 | 58-42 | |
| 1920 | Vermont Lake Monsters | 85 | 69 | .552 | - | 2-8 | W1 | wlllllwlll | 823 | 654 | 169 | 1 | 94-60 | -9 | 49-51 | |
| 1920 | Utica Blue Sox | 82 | 72 | .532 | 3 | 10-0 | W11 | wwwwwwwwww | 611 | 583 | 28 | 81-73 | 1 | 52-48 | ||
| 1920 | Nashville Cats | 80 | 74 | .519 | 5 | 6-4 | W4 | wwwwlllwwl | 567 | 575 | -8 | 76-78 | 4 | 55-45 | ||
| 1920 | Troy Trojans | 73 | 81 | .474 | 12 | 3-7 | L4 | llllwwwlll | 682 | 756 | -74 | 69-85 | 4 | 48-52 | ||
| 1920 | Los Angeles Kings | 63 | 91 | .409 | 22 | 5-5 | L1 | lwwlwwlllw | 462 | 591 | -129 | 58-96 | 5 | 38-62 | ||
| Wildcard | ||||||||||||||
| Year | Team | W | L | Pct | GB | Strk | Pythag | Overall | PyPct | OvPct | PD | 1-run | Extra | Mgc |
| A | ||||||||||||||
| 1920 | Carmel Crush | 88 | 66 | .571 | na | W3 | 88-66 | 88-66 | .573 | .571 | 0 | 32-23 | 11-10 | |
| 1920 | Palos Hills PitVipers | 84 | 70 | .545 | - | L1 | 90-64 | 84-70 | .583 | .545 | -6 | 29-27 | 6-7 | 0 |
| 1920 | South Manitou Sleeping Bears | 79 | 75 | .513 | 5 | W3 | 79-75 | 79-75 | .510 | .513 | 0 | 31-28 | 15-6 | |
| 1920 | Bloom County Losers | 75 | 79 | .487 | 9 | W1 | 73-81 | 75-79 | .477 | .487 | 2 | 29-29 | 7-13 | |
| 1920 | Chicago West Enders | 70 | 84 | .455 | 14 | L3 | 73-81 | 70-84 | .471 | .455 | -3 | 17-27 | 5-10 | |
| 1920 | Cedar Rapids Cyclones | 60 | 94 | .390 | 24 | L4 | 59-95 | 60-94 | .385 | .390 | 1 | 22-28 | 5-9 | |
| N | ||||||||||||||
| 1920 | Boston Stranglers | 85 | 69 | .552 | - | L3 | 80-74 | 85-69 | .520 | .552 | 5 | 35-24 | 9-9 | 1 |
| 1920 | Vermont Lake Monsters | 85 | 69 | .552 | - | W1 | 94-60 | 85-69 | .613 | .552 | -9 | 19-23 | 5-10 | 1 |
| 1920 | Utica Blue Sox | 82 | 72 | .532 | 3 | W11 | 81-73 | 82-72 | .523 | .532 | 1 | 30-25 | 17-10 | |
| 1920 | Nashville Cats | 80 | 74 | .519 | 5 | W4 | 76-78 | 80-74 | .493 | .519 | 4 | 24-16 | 13-6 | |
| 1920 | Troy Trojans | 73 | 81 | .474 | 12 | L4 | 69-85 | 73-81 | .449 | .474 | 4 | 15-29 | 7-7 | |
| 1920 | Los Angeles Kings | 63 | 91 | .409 | 22 | L1 | 58-96 | 63-91 | .379 | .409 | 5 | 26-30 | 8-11 | |
| Expanded1 | |||||||||
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| A | |||||||||
| 1920 | Carmel Crush | 49-28 | 39-38 | 88-66 | 29-26 | 59-40 | 59-41 | 29-25 | |
| 1920 | Palos Hills PitVipers | 47-30 | 37-40 | 84-70 | 25-15 | 59-55 | 61-39 | 23-31 | |
| 1920 | South Manitou Sleeping Bears | 44-33 | 35-42 | 79-75 | 21-23 | 58-52 | 49-51 | 30-24 | |
| 1920 | Bloom County Losers | 44-33 | 31-46 | 75-79 | 17-29 | 58-50 | 53-47 | 22-32 | |
| 1920 | Chicago West Enders | 37-40 | 33-44 | 70-84 | 18-23 | 52-61 | 42-58 | 28-26 | |
| 1920 | Cedar Rapids Cyclones | 30-47 | 30-47 | 60-94 | 14-28 | 46-66 | 36-64 | 24-30 | |
| N | |||||||||
| 1920 | Boston Stranglers | 45-32 | 40-37 | 85-69 | 17-23 | 68-46 | 58-42 | 27-27 | |
| 1920 | Vermont Lake Monsters | 48-29 | 37-40 | 85-69 | 24-17 | 61-52 | 49-51 | 36-18 | |
| 1920 | Utica Blue Sox | 41-36 | 41-36 | 82-72 | 16-14 | 66-58 | 52-48 | 30-24 | |
| 1920 | Nashville Cats | 44-33 | 36-41 | 80-74 | 15-22 | 65-52 | 55-45 | 25-29 | |
| 1920 | Troy Trojans | 42-35 | 31-46 | 73-81 | 21-20 | 52-61 | 48-52 | 25-29 | |
| 1920 | Los Angeles Kings | 34-43 | 29-48 | 63-91 | 17-24 | 46-67 | 38-62 | 25-29 | |
| Expanded2 | ||||||
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| A | ||||||
| 1920 | Carmel Crush | 69-6 | 13-12 | 6-48 | 32-23 | 11-10 |
| 1920 | Palos Hills PitVipers | 67-7 | 12-8 | 5-55 | 29-27 | 6-7 |
| 1920 | South Manitou Sleeping Bears | 58-9 | 9-8 | 12-58 | 31-28 | 15-6 |
| 1920 | Bloom County Losers | 55-8 | 12-12 | 8-59 | 29-29 | 7-13 |
| 1920 | Chicago West Enders | 51-10 | 9-9 | 10-65 | 17-27 | 5-10 |
| 1920 | Cedar Rapids Cyclones | 47-8 | 6-14 | 7-72 | 22-28 | 5-9 |
| N | ||||||
| 1920 | Boston Stranglers | 64-8 | 11-14 | 10-47 | 35-24 | 9-9 |
| 1920 | Vermont Lake Monsters | 70-15 | 10-6 | 5-48 | 19-23 | 5-10 |
| 1920 | Utica Blue Sox | 58-3 | 17-9 | 7-60 | 30-25 | 17-10 |
| 1920 | Nashville Cats | 63-7 | 8-10 | 9-57 | 24-16 | 13-6 |
| 1920 | Troy Trojans | 56-5 | 12-10 | 5-66 | 15-29 | 7-7 |
| 1920 | Los Angeles Kings | 46-5 | 10-17 | 7-69 | 26-30 | 8-11 |