| Divisional | |||||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | RF | RA | Mgn | Mgc | |
| American League |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 69 | 21 | .767 | - |   | 10-0 | W10 | wwwwwwwwww | 484 | 262 | 222 | 58 |
| 1988 | Dayton Triangles | 54 | 36 | .600 | 15 |   | 4-6 | L2 | llwwllwwll | 414 | 366 | 48 | 88 |
| 1988 | Frankfort Tigers | 56 | 40 | .583 | 16 |   | 7-3 | L1 | lwwwwlwwlw | 425 | 392 | 33 | 86 |
| 1988 | Indy Alley Cats | 48 | 42 | .533 | 21 |   | 6-4 | W2 | wwllwwllww | 409 | 390 | 19 | 94 |
| 1988 | Cleveland Spiders | 47 | 43 | .522 | 22 |   | 4-6 | L1 | lwlwllwwll | 352 | 359 | -7 | 95 |
| 1988 | Rockford Forest Citys | 44 | 46 | .489 | 25 |   | 6-4 | W1 | wlwlwwwwll | 440 | 430 | 10 | 98 |
| 1988 | Collierstown Highlanders | 42 | 48 | .467 | 27 |   | 7-3 | W1 | wlwwwwlwlw | 407 | 413 | -6 | 100 |
| 1988 | Carolina Bandits | 40 | 50 | .444 | 29 |   | 1-9 | L1 | lwllllllll | 396 | 426 | -30 | 102 |
| 1988 | Hatteras Pelicans | 42 | 54 | .438 | 30 |   | 4-6 | W1 | wllllwllww | 379 | 458 | -79 | 100 |
| 1988 | Cuyahoga River Flames | 37 | 53 | .411 | 32 |   | 2-8 | L8 | llllllllww | 356 | 461 | -105 | 105 |
| 1988 | Evanston Black Sox | 30 | 60 | .333 | 39 |   | 4-6 | L2 | llwllwlwwl | 305 | 478 | -173 | 112 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 61 | 35 | .635 | - |   | 6-4 | W2 | wwlwwllwlw | 530 | 376 | 154 | 65 |
| 1988 | Wichita Wind Surge | 53 | 37 | .589 | 5 |   | 5-5 | L1 | lwwlwlwwll | 431 | 366 | 65 | 75 |
| 1988 | Spirit Mountain Volcanoes | 51 | 39 | .567 | 7 |   | 6-4 | W1 | wlwwwwllwl | 384 | 356 | 28 | 77 |
| 1988 | Beast Coast Brushbacks | 51 | 45 | .531 | 10 |   | 4-6 | L2 | llwllwwllw | 419 | 351 | 68 | 77 |
| 1988 | Fairfax Peppers | 46 | 44 | .511 | 12 |   | 4-6 | L1 | lwwllwlllw | 381 | 401 | -20 | 82 |
| 1988 | Milwaukee Road | 45 | 45 | .500 | 13 |   | 5-5 | W1 | wllwlwllww | 403 | 385 | 18 | 83 |
| 1988 | New York Mets | 42 | 48 | .467 | 16 |   | 7-3 | W1 | wlwwwwllww | 392 | 375 | 17 | 86 |
| 1988 | Blue Ridge Mountaineers | 42 | 48 | .467 | 16 |   | 3-7 | L1 | lwllllwlwl | 336 | 374 | -38 | 86 |
| 1988 | Flushing Rats | 39 | 51 | .433 | 19 |   | 4-6 | L1 | lwllllwwlw | 341 | 368 | -27 | 89 |
| 1988 | Ottawa Lynx | 32 | 58 | .356 | 26 |   | 2-8 | L4 | llllwlllwl | 313 | 395 | -82 | 96 |
| 1988 | East Kenosha Lakers | 31 | 59 | .344 | 27 |   | 7-3 | W4 | wwwwlwwwll | 284 | 399 | -115 | 97 |
| Wildcard | ||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | Mgc | |
| American League |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 69 | 21 | .767 | na |   | 10-0 | W10 | wwwwwwwwww |   |
| 1988 | Dayton Triangles | 54 | 36 | .600 | - |   | 4-6 | L2 | llwwllwwll | 69 |
| 1988 | Frankfort Tigers | 56 | 40 | .583 | 1 |   | 7-3 | L1 | lwwwwlwwlw | 71 |
| 1988 | Indy Alley Cats | 48 | 42 | .533 | 6 |   | 6-4 | W2 | wwllwwllww | 79 |
| 1988 | Cleveland Spiders | 47 | 43 | .522 | 7 |   | 4-6 | L1 | lwlwllwwll | 80 |
| 1988 | Rockford Forest Citys | 44 | 46 | .489 | 10 |   | 6-4 | W1 | wlwlwwwwll | 83 |
| 1988 | Collierstown Highlanders | 42 | 48 | .467 | 12 |   | 7-3 | W1 | wlwwwwlwlw | 85 |
| 1988 | Carolina Bandits | 40 | 50 | .444 | 14 |   | 1-9 | L1 | lwllllllll | 87 |
| 1988 | Hatteras Pelicans | 42 | 54 | .438 | 15 |   | 4-6 | W1 | wllllwllww | 85 |
| 1988 | Cuyahoga River Flames | 37 | 53 | .411 | 17 |   | 2-8 | L8 | llllllllww | 90 |
| 1988 | Evanston Black Sox | 30 | 60 | .333 | 24 |   | 4-6 | L2 | llwllwlwwl | 97 |
|   |   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 61 | 35 | .635 | na |   | 6-4 | W2 | wwlwwllwlw |   |
| 1988 | Wichita Wind Surge | 53 | 37 | .589 | - |   | 5-5 | L1 | lwwlwlwwll | 71 |
| 1988 | Spirit Mountain Volcanoes | 51 | 39 | .567 | 2 |   | 6-4 | W1 | wlwwwwllwl | 75 |
| 1988 | Beast Coast Brushbacks | 51 | 45 | .531 | 5 |   | 4-6 | L2 | llwllwwllw | 75 |
| 1988 | Fairfax Peppers | 46 | 44 | .511 | 7 |   | 4-6 | L1 | lwwllwlllw | 80 |
| 1988 | Milwaukee Road | 45 | 45 | .500 | 8 |   | 5-5 | W1 | wllwlwllww | 81 |
| 1988 | New York Mets | 42 | 48 | .467 | 11 |   | 7-3 | W1 | wlwwwwllww | 84 |
| 1988 | Blue Ridge Mountaineers | 42 | 48 | .467 | 11 |   | 3-7 | L1 | lwllllwlwl | 84 |
| 1988 | Flushing Rats | 39 | 51 | .433 | 14 |   | 4-6 | L1 | lwllllwwlw | 87 |
| 1988 | Ottawa Lynx | 32 | 58 | .356 | 21 |   | 2-8 | L4 | llllwlllwl | 94 |
| 1988 | East Kenosha Lakers | 31 | 59 | .344 | 22 |   | 7-3 | W4 | wwwwlwwwll | 95 |
| Expanded1 | |||||||||
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| American League |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 37-8 | 32-13 | 49-9 | 20-12 | 26-4 | 43-17 | 37-11 | 32-10 |
| 1988 | Dayton Triangles | 28-17 | 26-19 | 14-10 | 40-26 | 22-10 | 32-26 | 29-19 | 25-17 |
| 1988 | Frankfort Tigers | 35-16 | 21-24 | 53-36 | 3-4 | 13-18 | 43-22 | 30-24 | 26-16 |
| 1988 | Indy Alley Cats | 29-16 | 19-26 | 38-33 | 10-9 | 11-11 | 37-31 | 29-19 | 19-23 |
| 1988 | Cleveland Spiders | 28-23 | 19-20 | 39-37 | 8-6 | 15-11 | 32-32 | 22-26 | 25-17 |
| 1988 | Rockford Forest Citys | 24-21 | 20-25 | 38-32 | 6-14 | 11-14 | 33-32 | 27-21 | 17-25 |
| 1988 | Collierstown Highlanders | 19-20 | 23-28 | 20-18 | 22-30 | 7-22 | 35-26 | 25-23 | 17-25 |
| 1988 | Carolina Bandits | 23-28 | 17-22 | 36-47 | 4-3 | 17-13 | 23-37 | 13-35 | 27-15 |
| 1988 | Hatteras Pelicans | 22-23 | 20-31 | 13-19 | 29-35 | 12-13 | 30-41 | 24-30 | 18-24 |
| 1988 | Cuyahoga River Flames | 20-19 | 17-34 | 34-42 | 3-11 | 9-17 | 28-36 | 18-30 | 19-23 |
| 1988 | Evanston Black Sox | 20-25 | 10-35 | 23-41 | 7-19 | 10-14 | 20-46 | 16-32 | 14-28 |
|   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 31-14 | 30-21 | 16-10 | 45-25 | 14-12 | 47-23 | 30-24 | 31-11 |
| 1988 | Wichita Wind Surge | 23-16 | 30-21 | 15-11 | 38-26 | 18-12 | 35-25 | 30-18 | 23-19 |
| 1988 | Spirit Mountain Volcanoes | 31-14 | 20-25 | 11-15 | 40-24 | 14-12 | 37-27 | 26-22 | 25-17 |
| 1988 | Beast Coast Brushbacks | 31-20 | 20-25 | 46-44 | 5-1 | 18-11 | 33-34 | 31-23 | 20-22 |
| 1988 | Fairfax Peppers | 20-25 | 26-19 | 40-38 | 6-6 | 12-15 | 34-29 | 28-20 | 18-24 |
| 1988 | Milwaukee Road | 23-22 | 22-23 | 33-32 | 12-13 | 15-11 | 30-34 | 24-24 | 21-21 |
| 1988 | New York Mets | 30-21 | 12-27 | 10-22 | 32-26 | 12-19 | 30-29 | 23-25 | 19-23 |
| 1988 | Blue Ridge Mountaineers | 24-21 | 18-27 | 32-33 | 10-15 | 15-18 | 27-30 | 24-24 | 18-24 |
| 1988 | Flushing Rats | 23-22 | 16-29 | 30-35 | 9-16 | 12-12 | 27-39 | 19-29 | 20-22 |
| 1988 | Ottawa Lynx | 15-24 | 17-34 | 9-23 | 23-35 | 16-19 | 16-39 | 16-32 | 16-26 |
| 1988 | East Kenosha Lakers | 20-31 | 11-28 | 4-16 | 27-43 | 9-18 | 22-41 | 19-29 | 12-30 |
| Expanded2 | ||||||
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| American League |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 55-6 | 8-2 | 6-13 | 16-10 | 9-3 |
| 1988 | Dayton Triangles | 46-4 | 3-11 | 5-21 | 14-14 | 5-6 |
| 1988 | Frankfort Tigers | 45-6 | 6-3 | 5-31 | 21-12 | 3-0 |
| 1988 | Indy Alley Cats | 39-4 | 4-4 | 5-34 | 20-11 | 5-5 |
| 1988 | Cleveland Spiders | 33-4 | 10-7 | 4-32 | 22-18 | 5-6 |
| 1988 | Rockford Forest Citys | 38-2 | 1-8 | 5-36 | 7-13 | 3-4 |
| 1988 | Collierstown Highlanders | 28-3 | 9-6 | 5-39 | 14-19 | 7-4 |
| 1988 | Carolina Bandits | 31-10 | 5-3 | 4-37 | 17-17 | 8-6 |
| 1988 | Hatteras Pelicans | 27-6 | 11-3 | 4-45 | 14-14 | 5-4 |
| 1988 | Cuyahoga River Flames | 27-3 | 6-4 | 4-46 | 13-11 | 7-1 |
| 1988 | Evanston Black Sox | 20-3 | 7-4 | 3-53 | 13-14 | 3-8 |
|   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 53-2 | 2-4 | 6-29 | 14-14 | 5-4 |
| 1988 | Wichita Wind Surge | 38-2 | 8-6 | 7-29 | 21-14 | 8-6 |
| 1988 | Spirit Mountain Volcanoes | 38-2 | 6-8 | 7-29 | 19-12 | 4-9 |
| 1988 | Beast Coast Brushbacks | 45-6 | 1-8 | 5-31 | 7-20 | 3-4 |
| 1988 | Fairfax Peppers | 38-4 | 5-2 | 3-38 | 17-11 | 5-3 |
| 1988 | Milwaukee Road | 33-4 | 3-5 | 9-36 | 13-10 | 4-6 |
| 1988 | New York Mets | 32-7 | 5-4 | 5-37 | 12-18 | 7-7 |
| 1988 | Blue Ridge Mountaineers | 33-7 | 7-3 | 2-38 | 12-12 | 8-5 |
| 1988 | Flushing Rats | 33-3 | 1-10 | 5-38 | 11-16 | 4-11 |
| 1988 | Ottawa Lynx | 26-8 | 5-7 | 1-43 | 10-18 | 2-7 |
| 1988 | East Kenosha Lakers | 24-8 | 3-4 | 4-47 | 9-18 | 6-7 |