| Divisional | ||||||||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | RF | RA | Mgn | Mgc | Pythag | PD | Div | |
| AL |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1990 | Annapolis Midshipmen | 96 | 66 | .593 | - |   | 4-6 | W2 | wwlllwllwl | 793 | 675 | 118 | 0 | 94-68 | 2 | 56-42 |
| 1990 | Eastchester Bay Paddlefish | 91 | 71 | .562 | 5 |   | 6-4 | W1 | wllllwwwww | 844 | 742 | 102 |   | 91-71 | 0 | 54-44 |
| 1990 | Wilmington Quicksteps | 86 | 76 | .531 | 10 |   | 6-4 | L3 | lllwwlwwww | 777 | 791 | -14 |   | 80-82 | 6 | 46-52 |
| 1990 | Carmel Crush | 85 | 77 | .525 | 11 |   | 5-5 | L2 | llwwwwlllw | 776 | 748 | 28 |   | 84-78 | 1 | 51-47 |
| 1990 | Cleveland SmokinBats | 80 | 82 | .494 | 16 |   | 5-5 | L1 | lwwlllwwlw | 744 | 719 | 25 |   | 84-78 | -4 | 48-50 |
| 1990 | Palos Hills PitVipers | 73 | 89 | .451 | 23 |   | 1-9 | L2 | llwlllllll | 734 | 793 | -59 |   | 75-87 | -2 | 46-52 |
| 1990 | New York Knights | 73 | 89 | .451 | 23 |   | 9-1 | W9 | wwwwwwwwwl | 752 | 813 | -61 |   | 75-87 | -2 | 49-49 |
| 1990 | Santa Fe Peppers | 72 | 90 | .444 | 24 |   | 4-6 | W2 | wwlwwlllll | 722 | 750 | -28 |   | 78-84 | -6 | 42-56 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| NL |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1990 | Bloom County Losers | 90 | 72 | .556 | - |   | 6-4 | W4 | wwwwlllwwl | 700 | 627 | 73 | 1 | 90-72 | 0 | 58-40 |
| 1990 | Los Angeles Kings | 90 | 72 | .556 | - |   | 8-2 | W7 | wwwwwwwllw | 731 | 651 | 80 | 1 | 90-72 | 0 | 58-40 |
| 1990 | Gotham City Ghosts | 84 | 78 | .519 | 6 |   | 3-7 | W2 | wwlllllwll | 749 | 745 | 4 |   | 81-81 | 3 | 54-44 |
| 1990 | Boston Stranglers | 81 | 81 | .500 | 9 |   | 7-3 | W3 | wwwlwlwlww | 791 | 771 | 20 |   | 83-79 | -2 | 46-52 |
| 1990 | West Point Black Knights | 80 | 82 | .494 | 10 |   | 4-6 | L3 | lllwlwlwwl | 619 | 643 | -24 |   | 78-84 | 2 | 50-48 |
| 1990 | Toledo Mud Hens | 77 | 85 | .475 | 13 |   | 6-4 | L2 | llwlwwwwlw | 707 | 731 | -24 |   | 78-84 | -1 | 42-56 |
| 1990 | Chicago Orphans | 73 | 89 | .451 | 17 |   | 5-5 | L3 | lllwwwwllw | 650 | 701 | -51 |   | 75-87 | -2 | 42-56 |
| 1990 | Herkimer Magicians | 65 | 97 | .401 | 25 |   | 1-9 | L8 | llllllllwl | 616 | 805 | -189 |   | 60-102 | 5 | 42-56 |
| Wildcard | ||||||||||||||
| Year | Team | W | L | Pct | GB | Strk | Pythag | Overall | PyPct | OvPct | PD | 1-run | Extra | Mgc |
| AL |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1990 | Annapolis Midshipmen | 96 | 66 | .593 | na | W2 | 94-68 | 96-66 | .580 | .593 | 2 | 23-17 | 8-3 |   |
| 1990 | Eastchester Bay Paddlefish | 91 | 71 | .562 | - | W1 | 91-71 | 91-71 | .564 | .562 | 0 | 28-21 | 6-8 | 0 |
| 1990 | Wilmington Quicksteps | 86 | 76 | .531 | 5 | L3 | 80-82 | 86-76 | .491 | .531 | 6 | 26-19 | 11-6 |   |
| 1990 | Carmel Crush | 85 | 77 | .525 | 6 | L2 | 84-78 | 85-77 | .518 | .525 | 1 | 22-26 | 7-11 |   |
| 1990 | Cleveland SmokinBats | 80 | 82 | .494 | 11 | L1 | 84-78 | 80-82 | .517 | .494 | -4 | 25-30 | 9-11 |   |
| 1990 | Palos Hills PitVipers | 73 | 89 | .451 | 18 | L2 | 75-87 | 73-89 | .461 | .451 | -2 | 22-23 | 4-7 |   |
| 1990 | New York Knights | 73 | 89 | .451 | 18 | W9 | 75-87 | 73-89 | .461 | .451 | -2 | 22-23 | 6-11 |   |
| 1990 | Santa Fe Peppers | 72 | 90 | .444 | 19 | W2 | 78-84 | 72-90 | .481 | .444 | -6 | 21-34 | 7-11 |   |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| NL |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1990 | Bloom County Losers | 90 | 72 | .556 | - | W4 | 90-72 | 90-72 | .555 | .556 | 0 | 32-23 | 9-11 | 1 |
| 1990 | Los Angeles Kings | 90 | 72 | .556 | - | W7 | 90-72 | 90-72 | .558 | .556 | 0 | 25-22 | 12-7 | 1 |
| 1990 | Gotham City Ghosts | 84 | 78 | .519 | 6 | W2 | 81-81 | 84-78 | .503 | .519 | 3 | 30-20 | 11-8 |   |
| 1990 | Boston Stranglers | 81 | 81 | .500 | 9 | W3 | 83-79 | 81-81 | .513 | .500 | -2 | 27-27 | 11-6 |   |
| 1990 | West Point Black Knights | 80 | 82 | .494 | 10 | L3 | 78-84 | 80-82 | .481 | .494 | 2 | 27-25 | 10-6 |   |
| 1990 | Toledo Mud Hens | 77 | 85 | .475 | 13 | L2 | 78-84 | 77-85 | .483 | .475 | -1 | 25-32 | 4-9 |   |
| 1990 | Chicago Orphans | 73 | 89 | .451 | 17 | L3 | 75-87 | 73-89 | .462 | .451 | -2 | 22-36 | 5-10 |   |
| 1990 | Herkimer Magicians | 65 | 97 | .401 | 25 | L8 | 60-102 | 65-97 | .369 | .401 | 5 | 27-26 | 12-7 |   |
| Expanded1 | |||||||||
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| AL |   |   |   |   |   |   |   |   |   |
| 1990 | Annapolis Midshipmen | 52-29 | 44-37 | 84-56 | 12-10 | 34-27 | 62-39 | 56-42 | 40-24 |
| 1990 | Eastchester Bay Paddlefish | 53-28 | 38-43 | 29-37 | 62-34 | 33-20 | 58-51 | 54-44 | 37-27 |
| 1990 | Wilmington Quicksteps | 41-40 | 45-36 | 79-61 | 7-15 | 39-22 | 47-54 | 46-52 | 40-24 |
| 1990 | Carmel Crush | 42-39 | 43-38 | 75-65 | 10-12 | 29-25 | 56-52 | 51-47 | 34-30 |
| 1990 | Cleveland SmokinBats | 40-41 | 40-41 | 70-70 | 10-12 | 31-30 | 49-52 | 48-50 | 32-32 |
| 1990 | Palos Hills PitVipers | 43-38 | 30-51 | 65-75 | 8-14 | 33-25 | 40-64 | 46-52 | 27-37 |
| 1990 | New York Knights | 40-41 | 33-48 | 60-80 | 13-9 | 16-29 | 57-60 | 49-49 | 24-40 |
| 1990 | Santa Fe Peppers | 42-39 | 30-51 | 24-42 | 48-48 | 21-28 | 51-62 | 42-56 | 30-34 |
|   |   |   |   |   |   |   |   |   |   |
| NL |   |   |   |   |   |   |   |   |   |
| 1990 | Bloom County Losers | 48-33 | 42-39 | 38-28 | 52-44 | 31-23 | 59-49 | 58-40 | 32-32 |
| 1990 | Los Angeles Kings | 52-29 | 38-43 | 81-59 | 9-13 | 26-30 | 64-42 | 58-40 | 32-32 |
| 1990 | Gotham City Ghosts | 41-40 | 43-38 | 36-30 | 48-48 | 27-29 | 57-49 | 54-44 | 30-34 |
| 1990 | Boston Stranglers | 39-42 | 42-39 | 70-70 | 11-11 | 26-32 | 55-49 | 46-52 | 35-29 |
| 1990 | West Point Black Knights | 36-45 | 44-37 | 68-72 | 12-10 | 40-18 | 40-64 | 50-48 | 30-34 |
| 1990 | Toledo Mud Hens | 52-29 | 25-56 | 72-68 | 5-17 | 25-34 | 52-51 | 42-56 | 35-29 |
| 1990 | Chicago Orphans | 41-40 | 32-49 | 64-76 | 9-13 | 32-24 | 41-65 | 42-56 | 31-33 |
| 1990 | Herkimer Magicians | 35-46 | 30-51 | 57-83 | 8-14 | 22-37 | 43-60 | 42-56 | 23-41 |
| Expanded2 | ||||||
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| AL |   |   |   |   |   |   |
| 1990 | Annapolis Midshipmen | 71-6 | 15-10 | 10-50 | 23-17 | 8-3 |
| 1990 | Eastchester Bay Paddlefish | 72-7 | 13-8 | 6-56 | 28-21 | 6-8 |
| 1990 | Wilmington Quicksteps | 63-5 | 11-10 | 12-61 | 26-19 | 11-6 |
| 1990 | Carmel Crush | 68-12 | 12-9 | 5-56 | 22-26 | 7-11 |
| 1990 | Cleveland SmokinBats | 65-10 | 8-12 | 7-60 | 25-30 | 9-11 |
| 1990 | Palos Hills PitVipers | 58-7 | 7-16 | 8-66 | 22-23 | 4-7 |
| 1990 | New York Knights | 57-9 | 7-9 | 9-71 | 22-23 | 6-11 |
| 1990 | Santa Fe Peppers | 56-13 | 9-14 | 7-63 | 21-34 | 7-11 |
|   |   |   |   |   |   |   |
| NL |   |   |   |   |   |   |
| 1990 | Bloom County Losers | 70-7 | 7-9 | 13-56 | 32-23 | 9-11 |
| 1990 | Los Angeles Kings | 70-3 | 13-10 | 7-59 | 25-22 | 12-7 |
| 1990 | Gotham City Ghosts | 56-10 | 14-5 | 14-63 | 30-20 | 11-8 |
| 1990 | Boston Stranglers | 65-8 | 9-8 | 7-65 | 27-27 | 11-6 |
| 1990 | West Point Black Knights | 65-10 | 11-12 | 4-60 | 27-25 | 10-6 |
| 1990 | Toledo Mud Hens | 66-10 | 8-12 | 3-63 | 25-32 | 4-9 |
| 1990 | Chicago Orphans | 59-5 | 6-6 | 8-78 | 22-36 | 5-10 |
| 1990 | Herkimer Magicians | 43-8 | 12-12 | 10-77 | 27-26 | 12-7 |