League standings -- American League
Regular season
| Divisional |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | RF | RA | Mgn | Mgc |
| 1988 | Bloomington Hoosiers | 14 | 0 | 1.000 | - | | 10-0 | W14 | wwwwwwwwww | 80 | 23 | 57 | 144 |
| 1988 | Cuyahoga River Flames | 9 | 5 | .643 | 5 | | 8-2 | W8 | wwwwwwwwll | 51 | 38 | 13 | 154 |
| 1988 | Dayton Triangles | 8 | 6 | .571 | 6 | | 6-4 | L1 | lwwlwwwllw | 68 | 61 | 7 | 155 |
| 1988 | Cleveland Spiders | 8 | 6 | .571 | 6 | | 6-4 | W2 | wwlwlwwlwl | 47 | 52 | -5 | 155 |
| 1988 | Rockford Forest Citys | 7 | 7 | .500 | 7 | | 4-6 | L1 | lwlwlwwlll | 54 | 67 | -13 | 156 |
| 1988 | Indy Alley Cats | 7 | 7 | .500 | 7 | | 5-5 | W1 | wlwwlwllwl | 52 | 81 | -29 | 156 |
| 1988 | Frankfort Tigers | 7 | 7 | .500 | 7 | | 5-5 | L1 | lwwlwlwwll | 52 | 46 | 6 | 156 |
| 1988 | Carolina Bandits | 7 | 7 | .500 | 7 | | 4-6 | L1 | lwwllwlllw | 53 | 42 | 11 | 156 |
| 1988 | Hatteras Pelicans | 7 | 7 | .500 | 7 | | 4-6 | L1 | lwlwwwllll | 68 | 72 | -4 | 156 |
| 1988 | Collierstown Highlanders | 5 | 9 | .357 | 9 | | 4-6 | W2 | wwllwwllll | 47 | 72 | -25 | 158 |
| 1988 | Evanston Black Sox | 4 | 10 | .286 | 10 | | 3-7 | W2 | wwlllllwll | 36 | 72 | -36 | 159 |
| Wildcard |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | Mgc |
| 1988 | Bloomington Hoosiers | 14 | 0 | 1.000 | na | | 10-0 | W14 | wwwwwwwwww | |
| 1988 | Cuyahoga River Flames | 9 | 5 | .643 | - | | 8-2 | W8 | wwwwwwwwll | 148 |
| 1988 | Dayton Triangles | 8 | 6 | .571 | 1 | | 6-4 | L1 | lwwlwwwllw | 150 |
| 1988 | Cleveland Spiders | 8 | 6 | .571 | 1 | | 6-4 | W2 | wwlwlwwlwl | 150 |
| 1988 | Rockford Forest Citys | 7 | 7 | .500 | 2 | | 4-6 | L1 | lwlwlwwlll | 151 |
| 1988 | Indy Alley Cats | 7 | 7 | .500 | 2 | | 5-5 | W1 | wlwwlwllwl | 151 |
| 1988 | Frankfort Tigers | 7 | 7 | .500 | 2 | | 5-5 | L1 | lwwlwlwwll | 151 |
| 1988 | Carolina Bandits | 7 | 7 | .500 | 2 | | 4-6 | L1 | lwwllwlllw | 151 |
| 1988 | Hatteras Pelicans | 7 | 7 | .500 | 2 | | 4-6 | L1 | lwlwwwllll | 151 |
| 1988 | Collierstown Highlanders | 5 | 9 | .357 | 4 | | 4-6 | W2 | wwllwwllll | 153 |
| 1988 | Evanston Black Sox | 4 | 10 | .286 | 5 | | 3-7 | W2 | wwlllllwll | 154 |
| Expanded1 |
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| 1988 | Bloomington Hoosiers | 7-0 | 7-0 | 14-0 | | 8-0 | 6-0 | | 14-0 |
| 1988 | Cuyahoga River Flames | 7-0 | 2-5 | 7-0 | 2-5 | 3-1 | 6-4 | | 9-5 |
| 1988 | Dayton Triangles | 5-2 | 3-4 | | 8-6 | 4-1 | 4-5 | | 8-6 |
| 1988 | Cleveland Spiders | 5-2 | 3-4 | 5-2 | 3-4 | 1-2 | 7-4 | | 8-6 |
| 1988 | Rockford Forest Citys | 4-3 | 3-4 | 4-3 | 3-4 | 3-2 | 4-5 | | 7-7 |
| 1988 | Indy Alley Cats | 4-3 | 3-4 | 7-7 | | 2-3 | 5-4 | | 7-7 |
| 1988 | Frankfort Tigers | 4-3 | 3-4 | 4-3 | 3-4 | 5-4 | 2-3 | | 7-7 |
| 1988 | Carolina Bandits | 3-4 | 4-3 | 7-7 | | 5-3 | 2-4 | | 7-7 |
| 1988 | Hatteras Pelicans | 4-3 | 3-4 | 3-4 | 4-3 | 6-2 | 1-5 | | 7-7 |
| 1988 | Collierstown Highlanders | 4-3 | 1-6 | | 5-9 | 2-4 | 3-5 | | 5-9 |
| 1988 | Evanston Black Sox | 2-5 | 2-5 | 4-10 | | 1-1 | 3-9 | | 4-10 |
| Expanded2 |
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| 1988 | Bloomington Hoosiers | 12-0 | 1-0 | 1-0 | 2-0 | 1-0 |
| 1988 | Cuyahoga River Flames | 8-0 | 0-1 | 1-4 | 2-3 | 1-0 |
| 1988 | Dayton Triangles | 7-0 | 0-2 | 1-4 | 2-3 | 2-1 |
| 1988 | Cleveland Spiders | 5-0 | 1-0 | 2-6 | 5-2 | |
| 1988 | Rockford Forest Citys | 6-0 | | 1-7 | 2-0 | 1-0 |
| 1988 | Indy Alley Cats | 6-2 | | 1-5 | 5-2 | 1-2 |
| 1988 | Frankfort Tigers | 5-0 | 2-1 | 0-6 | 3-2 | 1-0 |
| 1988 | Carolina Bandits | 6-1 | 1-1 | 0-5 | 0-2 | 1-2 |
| 1988 | Hatteras Pelicans | 5-1 | 1-0 | 1-6 | 0-1 | 1-0 |
| 1988 | Collierstown Highlanders | 2-1 | 2-0 | 1-8 | 5-2 | 1-1 |
| 1988 | Evanston Black Sox | 3-1 | 1-0 | 0-9 | 1-2 | 0-2 |