| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 29 | 0.500 | (1,0) | -0.500 | Dayton | 41 to 0 | 424 | 468 |
| 3 | 91 | 3.594 | (2,0) | 2.594 | Western Illinois | 34 to 18 | 148 | 403 |
| 4 | 240 | 0.593 | (2,1) | 0.260 | Eastern Illinois | 13 to 14 | 148 | 165 |
| 5 | 272 | 0.397 | (3,1) | -0.103 | Lindenwood | 48 to 17 | 389 | 364 |
| 6 | 255 | 0.420 | (3,1) | -0.080 | --bye-- |
| 7 | 223 | 0.553 | (3,2) | 0.353 | South Dakota St | 21 to 40 | 44 | 18 |
| 8 | 233 | 0.549 | (4,2) | 0.215 | Indiana St | 44 to 7 | 450 | 349 |
| 9 | 233 | 0.522 | (4,3) | 0.379 | Youngstown St | 38 to 41 | 111 | 115 |
| 10 | 224 | 0.553 | (4,4) | 0.553 | Northern Iowa | 21 to 24 | 91 | 131 |
| 11 | 203 | 0.660 | (5,4) | 0.549 | Missouri St | 36 to 35 | 231 | 189 |
| 12 | 172 | 0.757 | (6,4) | 0.557 | Murray St | 44 to 7 | 274 | 284 |
| 13 | 182 | 0.712 | (6,5) | 0.621 | North Dakota | 21 to 22 | 101 | 117 |
| 14 | 181 | 0.742 | (6,5) | 0.651 | --bye-- |
| 15 | 193 | 0.646 | (6,5) | 0.556 | --bye-- |
| 16 | 194 | 0.647 | (6,5) | 0.556 | --bye-- |
| 17 | 200 | 0.622 | (6,5) | 0.531 | --bye-- |
| 18 | 199 | 0.610 | (6,5) | 0.519 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |