League standings -- National League
Regular season
| Divisional |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | RF | RA | Mgn | Mgc |
| 1957 | Rock Island Arsenal | 41 | 11 | .788 | - | | 9-1 | W4 | wwwwlwwwww | 299 | 208 | 91 | 92 |
| 1957 | Kansas City Blues | 30 | 22 | .577 | 11 | | 7-3 | L1 | lwwwlwwwlw | 224 | 223 | 1 | 114 |
| 1957 | Schaumburg Hawks | 24 | 28 | .462 | 17 | | 6-4 | W2 | wwllwllwww | 219 | 268 | -49 | 120 |
| 1957 | Newfoundland Grays | 24 | 28 | .462 | 17 | | 5-5 | W3 | wwwlwlllwl | 227 | 218 | 9 | 120 |
| 1957 | Chicago Stampers | 24 | 28 | .462 | 17 | | 5-5 | W1 | wllwlwwllw | 214 | 181 | 33 | 120 |
| 1957 | DeVilbiss Tigers | 23 | 29 | .442 | 18 | | 4-6 | L1 | lwlwlllwwl | 224 | 244 | -20 | 121 |
| 1957 | Indianapolis Clowns | 21 | 31 | .404 | 20 | | 4-6 | W2 | wwlllwwlll | 197 | 249 | -52 | 123 |
| Wildcard |
| Year | Team | W | L | Pct | GB | | L10 | Strk | Recent | Mgc |
| 1957 | Rock Island Arsenal | 41 | 11 | .788 | na | | 9-1 | W4 | wwwwlwwwww | |
| 1957 | Kansas City Blues | 30 | 22 | .577 | - | | 7-3 | L1 | lwwwlwwwlw | 97 |
| 1957 | Schaumburg Hawks | 24 | 28 | .462 | 6 | | 6-4 | W2 | wwllwllwww | 109 |
| 1957 | Newfoundland Grays | 24 | 28 | .462 | 6 | | 5-5 | W3 | wwwlwlllwl | 109 |
| 1957 | Chicago Stampers | 24 | 28 | .462 | 6 | | 5-5 | W1 | wllwlwwllw | 109 |
| 1957 | DeVilbiss Tigers | 23 | 29 | .442 | 7 | | 4-6 | L1 | lwlwlllwwl | 110 |
| 1957 | Indianapolis Clowns | 21 | 31 | .404 | 9 | | 4-6 | W2 | wwlllwwlll | 112 |
| Expanded1 |
| Year | Team | Home | Road | Grass | Turf | vsLHP | vsRHP | Div | InterLg |
| 1957 | Rock Island Arsenal | 24-7 | 17-4 | 41-11 | | 10-3 | 31-8 | 32-10 | 9-1 |
| 1957 | Kansas City Blues | 22-9 | 8-13 | 30-22 | | 9-9 | 21-13 | 24-18 | 6-4 |
| 1957 | Schaumburg Hawks | 18-20 | 6-8 | 24-28 | | 7-10 | 17-18 | 20-22 | 4-6 |
| 1957 | Newfoundland Grays | 17-7 | 7-21 | 24-28 | | 7-8 | 17-20 | 16-26 | 8-2 |
| 1957 | Chicago Stampers | 12-14 | 12-14 | 24-28 | | 7-5 | 17-23 | 19-23 | 5-5 |
| 1957 | DeVilbiss Tigers | 16-15 | 7-14 | 23-29 | | 6-9 | 17-20 | 18-24 | 5-5 |
| 1957 | Indianapolis Clowns | 14-17 | 7-14 | 21-31 | | 7-8 | 14-23 | 18-24 | 3-7 |
| Expanded2 |
| Year | Team | Lead7 | Tied7 | Trail7 | 1-run | Extra |
| 1957 | Rock Island Arsenal | 27-2 | 10-3 | 4-6 | 11-4 | 5-1 |
| 1957 | Kansas City Blues | 19-1 | 8-3 | 3-18 | 14-1 | 4-3 |
| 1957 | Schaumburg Hawks | 19-2 | 1-7 | 4-19 | 10-5 | 3-3 |
| 1957 | Newfoundland Grays | 19-4 | 3-8 | 2-16 | 7-14 | 3-0 |
| 1957 | Chicago Stampers | 18-3 | 5-2 | 1-23 | 5-11 | 3-3 |
| 1957 | DeVilbiss Tigers | 19-3 | 2-6 | 2-20 | 8-8 | 2-4 |
| 1957 | Indianapolis Clowns | 15-4 | 3-5 | 3-22 | 5-10 | 2-8 |