| Divisional | |||||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | RF | RA | Mgn | Mgc | |
| American League |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 58 | 20 | .744 | - |   | 8-2 | W4 | wwwwlwwlww | 415 | 232 | 183 | 77 |
| 1988 | Dayton Triangles | 44 | 28 | .611 | 11 |   | 9-1 | W4 | wwwwlwwwww | 338 | 282 | 56 | 99 |
| 1988 | Frankfort Tigers | 45 | 33 | .577 | 13 |   | 3-7 | L4 | llllwllwwl | 335 | 315 | 20 | 98 |
| 1988 | Indy Alley Cats | 39 | 33 | .542 | 16 |   | 6-4 | W3 | wwwlwwlwll | 304 | 301 | 3 | 104 |
| 1988 | Cleveland Spiders | 38 | 34 | .528 | 17 |   | 6-4 | W1 | wllwwllwww | 287 | 281 | 6 | 105 |
| 1988 | Carolina Bandits | 36 | 36 | .500 | 19 |   | 1-9 | L3 | lllwllllll | 327 | 313 | 14 | 107 |
| 1988 | Rockford Forest Citys | 34 | 38 | .472 | 21 |   | 7-3 | W2 | wwlwllwwww | 347 | 357 | -10 | 109 |
| 1988 | Hatteras Pelicans | 35 | 43 | .449 | 23 |   | 3-7 | L3 | lllwlwlwll | 314 | 371 | -57 | 108 |
| 1988 | Collierstown Highlanders | 34 | 44 | .436 | 24 |   | 5-5 | W3 | wwwlwllllw | 333 | 366 | -33 | 109 |
| 1988 | Cuyahoga River Flames | 31 | 41 | .431 | 24 |   | 3-7 | L2 | llwlwwllll | 294 | 370 | -76 | 112 |
| 1988 | Evanston Black Sox | 25 | 53 | .321 | 33 |   | 4-6 | L4 | llllwlwwwl | 248 | 422 | -174 | 118 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 51 | 27 | .654 | - |   | 6-4 | W2 | wwllwwlwwl | 450 | 308 | 142 | 84 |
| 1988 | Wichita Wind Surge | 44 | 28 | .611 | 4 |   | 5-5 | W1 | wllwwwlllw | 346 | 278 | 68 | 92 |
| 1988 | Spirit Mountain Volcanoes | 41 | 31 | .569 | 7 |   | 5-5 | L2 | llwwwwwlll | 316 | 284 | 32 | 95 |
| 1988 | Beast Coast Brushbacks | 41 | 37 | .526 | 10 |   | 6-4 | W1 | wlwwllwwlw | 350 | 287 | 63 | 95 |
| 1988 | Milwaukee Road | 40 | 38 | .513 | 11 |   | 5-5 | L1 | lwllwwwllw | 346 | 337 | 9 | 96 |
| 1988 | Fairfax Peppers | 40 | 38 | .513 | 11 |   | 7-3 | L1 | lwwwwlwwwl | 329 | 346 | -17 | 96 |
| 1988 | Flushing Rats | 33 | 39 | .458 | 15 |   | 5-5 | L1 | lwwlllwwlw | 264 | 293 | -29 | 103 |
| 1988 | Blue Ridge Mountaineers | 33 | 39 | .458 | 15 |   | 5-5 | W1 | wllllwwwwl | 269 | 298 | -29 | 103 |
| 1988 | New York Mets | 30 | 42 | .417 | 18 |   | 5-5 | L2 | llwlwwwwll | 308 | 303 | 5 | 106 |
| 1988 | Ottawa Lynx | 30 | 48 | .385 | 21 |   | 3-7 | L2 | llwwlllllw | 285 | 347 | -62 | 106 |
| 1988 | East Kenosha Lakers | 20 | 52 | .278 | 28 |   | 3-7 | W2 | wwllllllwl | 219 | 333 | -114 | 116 |
| Wildcard | ||||||||||
| Year | Team | W | L | Pct | GB | L10 | Strk | Recent | Mgc | |
| American League |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 58 | 20 | .744 | na |   | 8-2 | W4 | wwwwlwwlww |   |
| 1988 | Dayton Triangles | 44 | 28 | .611 | - |   | 9-1 | W4 | wwwwlwwwww | 86 |
| 1988 | Frankfort Tigers | 45 | 33 | .577 | 2 |   | 3-7 | L4 | llllwllwwl | 90 |
| 1988 | Indy Alley Cats | 39 | 33 | .542 | 5 |   | 6-4 | W3 | wwwlwwlwll | 96 |
| 1988 | Cleveland Spiders | 38 | 34 | .528 | 6 |   | 6-4 | W1 | wllwwllwww | 97 |
| 1988 | Carolina Bandits | 36 | 36 | .500 | 8 |   | 1-9 | L3 | lllwllllll | 99 |
| 1988 | Rockford Forest Citys | 34 | 38 | .472 | 10 |   | 7-3 | W2 | wwlwllwwww | 101 |
| 1988 | Hatteras Pelicans | 35 | 43 | .449 | 12 |   | 3-7 | L3 | lllwlwlwll | 100 |
| 1988 | Collierstown Highlanders | 34 | 44 | .436 | 13 |   | 5-5 | W3 | wwwlwllllw | 101 |
| 1988 | Cuyahoga River Flames | 31 | 41 | .431 | 13 |   | 3-7 | L2 | llwlwwllll | 104 |
| 1988 | Evanston Black Sox | 25 | 53 | .321 | 22 |   | 4-6 | L4 | llllwlwwwl | 110 |
|   |   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 51 | 27 | .654 | na |   | 6-4 | W2 | wwllwwlwwl |   |
| 1988 | Wichita Wind Surge | 44 | 28 | .611 | - |   | 5-5 | W1 | wllwwwlllw | 88 |
| 1988 | Spirit Mountain Volcanoes | 41 | 31 | .569 | 3 |   | 5-5 | L2 | llwwwwwlll | 94 |
| 1988 | Beast Coast Brushbacks | 41 | 37 | .526 | 6 |   | 6-4 | W1 | wlwwllwwlw | 94 |
| 1988 | Milwaukee Road | 40 | 38 | .513 | 7 |   | 5-5 | L1 | lwllwwwllw | 95 |
| 1988 | Fairfax Peppers | 40 | 38 | .513 | 7 |   | 7-3 | L1 | lwwwwlwwwl | 95 |
| 1988 | Flushing Rats | 33 | 39 | .458 | 11 |   | 5-5 | L1 | lwwlllwwlw | 102 |
| 1988 | Blue Ridge Mountaineers | 33 | 39 | .458 | 11 |   | 5-5 | W1 | wllllwwwwl | 102 |
| 1988 | New York Mets | 30 | 42 | .417 | 14 |   | 5-5 | L2 | llwlwwwwll | 105 |
| 1988 | Ottawa Lynx | 30 | 48 | .385 | 17 |   | 3-7 | L2 | llwwlllllw | 105 |
| 1988 | East Kenosha Lakers | 20 | 52 | .278 | 24 |   | 3-7 | W2 | wwllllllwl | 115 |
| Expanded1 | |||||||||
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| American League |   |   |   |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 31-8 | 27-12 | 38-8 | 20-12 | 23-4 | 35-16 | 26-10 | 32-10 |
| 1988 | Dayton Triangles | 24-15 | 20-13 | 8-4 | 36-24 | 20-9 | 24-19 | 19-11 | 25-17 |
| 1988 | Frankfort Tigers | 28-11 | 17-22 | 42-29 | 3-4 | 10-17 | 35-16 | 19-17 | 26-16 |
| 1988 | Indy Alley Cats | 22-11 | 17-22 | 29-24 | 10-9 | 10-9 | 29-24 | 20-10 | 19-23 |
| 1988 | Cleveland Spiders | 19-14 | 19-20 | 30-28 | 8-6 | 14-10 | 24-24 | 13-17 | 25-17 |
| 1988 | Carolina Bandits | 21-18 | 15-18 | 32-33 | 4-3 | 16-8 | 20-28 | 9-21 | 27-15 |
| 1988 | Rockford Forest Citys | 18-15 | 16-23 | 28-24 | 6-14 | 10-12 | 24-26 | 17-13 | 17-25 |
| 1988 | Hatteras Pelicans | 19-20 | 16-23 | 11-15 | 24-28 | 12-10 | 23-33 | 17-19 | 18-24 |
| 1988 | Collierstown Highlanders | 19-20 | 15-24 | 12-14 | 22-30 | 7-22 | 27-22 | 17-19 | 17-25 |
| 1988 | Cuyahoga River Flames | 20-19 | 11-22 | 28-30 | 3-11 | 8-12 | 23-29 | 12-18 | 19-23 |
| 1988 | Evanston Black Sox | 18-21 | 7-32 | 21-37 | 4-16 | 9-12 | 16-41 | 11-25 | 14-28 |
|   |   |   |   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 28-11 | 23-16 | 9-5 | 42-22 | 13-8 | 38-19 | 20-16 | 31-11 |
| 1988 | Wichita Wind Surge | 23-16 | 21-12 | 12-8 | 32-20 | 14-7 | 30-21 | 21-9 | 23-19 |
| 1988 | Spirit Mountain Volcanoes | 23-10 | 18-21 | 9-11 | 32-20 | 8-8 | 33-23 | 16-14 | 25-17 |
| 1988 | Beast Coast Brushbacks | 24-15 | 17-22 | 36-36 | 5-1 | 15-8 | 26-29 | 21-15 | 20-22 |
| 1988 | Milwaukee Road | 20-19 | 20-19 | 30-29 | 10-9 | 13-6 | 27-32 | 19-17 | 21-21 |
| 1988 | Fairfax Peppers | 17-22 | 23-16 | 37-35 | 3-3 | 12-14 | 28-24 | 22-14 | 18-24 |
| 1988 | Flushing Rats | 18-15 | 15-24 | 25-28 | 8-11 | 7-9 | 26-30 | 13-17 | 20-22 |
| 1988 | Blue Ridge Mountaineers | 21-18 | 12-21 | 24-29 | 9-10 | 12-15 | 21-24 | 15-15 | 18-24 |
| 1988 | New York Mets | 18-15 | 12-27 | 10-22 | 20-20 | 6-15 | 24-27 | 11-19 | 19-23 |
| 1988 | Ottawa Lynx | 15-24 | 15-24 | 8-18 | 22-30 | 15-16 | 15-32 | 14-22 | 16-26 |
| 1988 | East Kenosha Lakers | 11-28 | 9-24 | 4-16 | 16-36 | 4-15 | 16-37 | 8-22 | 12-30 |
| Expanded2 | ||||||
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| American League |   |   |   |   |   |   |
| 1988 | Bloomington Hoosiers | 47-6 | 7-2 | 4-12 | 13-9 | 6-3 |
| 1988 | Dayton Triangles | 37-4 | 2-10 | 5-14 | 10-11 | 5-6 |
| 1988 | Frankfort Tigers | 38-4 | 3-3 | 4-26 | 16-9 | 1-0 |
| 1988 | Indy Alley Cats | 31-3 | 3-3 | 5-27 | 18-8 | 4-4 |
| 1988 | Cleveland Spiders | 25-2 | 9-7 | 4-25 | 18-15 | 5-5 |
| 1988 | Carolina Bandits | 27-8 | 5-2 | 4-26 | 15-12 | 8-4 |
| 1988 | Rockford Forest Citys | 29-2 | 1-7 | 4-29 | 5-10 | 3-3 |
| 1988 | Hatteras Pelicans | 22-5 | 11-3 | 2-35 | 11-9 | 5-4 |
| 1988 | Collierstown Highlanders | 22-3 | 9-4 | 3-37 | 12-17 | 7-3 |
| 1988 | Cuyahoga River Flames | 24-2 | 5-3 | 2-36 | 10-9 | 5-0 |
| 1988 | Evanston Black Sox | 15-2 | 7-3 | 3-48 | 11-12 | 3-7 |
|   |   |   |   |   |   |   |
| National League |   |   |   |   |   |   |
| 1988 | Bolton Hill Scotties | 43-1 | 2-4 | 6-22 | 12-12 | 5-2 |
| 1988 | Wichita Wind Surge | 32-2 | 7-2 | 5-24 | 19-10 | 6-4 |
| 1988 | Spirit Mountain Volcanoes | 32-1 | 4-7 | 5-23 | 14-10 | 3-7 |
| 1988 | Beast Coast Brushbacks | 36-6 | 1-6 | 4-25 | 3-17 | 3-3 |
| 1988 | Milwaukee Road | 28-3 | 3-3 | 9-32 | 12-8 | 4-4 |
| 1988 | Fairfax Peppers | 34-4 | 4-2 | 2-32 | 15-10 | 3-3 |
| 1988 | Flushing Rats | 27-2 | 1-7 | 5-30 | 10-9 | 4-6 |
| 1988 | Blue Ridge Mountaineers | 27-5 | 4-3 | 2-31 | 9-10 | 4-5 |
| 1988 | New York Mets | 25-7 | 2-4 | 3-31 | 6-18 | 2-7 |
| 1988 | Ottawa Lynx | 25-7 | 4-7 | 1-34 | 9-15 | 2-7 |
| 1988 | East Kenosha Lakers | 14-7 | 2-4 | 4-41 | 8-16 | 5-6 |