| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 518 | -0.500 | (0,1) | 0.500 | Oklahoma | 3 to 35 | 7 | 11 |
| 2 | 588 | -0.828 | (1,1) | -0.828 | Morehead St | 41 to 13 | 652 | 284 |
| 3 | 149 | 0.874 | (2,1) | 0.540 | E Illinois | 42 to 30 | 418 | 259 |
| 4 | 80 | 1.300 | (3,1) | 0.800 | North Alabama | 38 to 36 | 430 | 291 |
| 5 | 67 | 1.518 | (3,1) | 1.018 | --bye-- |
| 6 | 89 | 1.292 | (3,2) | 1.092 | N Dakota St | 16 to 33 | 51 | 34 |
| 7 | 117 | 1.096 | (4,2) | 0.763 | Murray St | 46 to 32 | 335 | 335 |
| 8 | 141 | 0.943 | (4,3) | 0.800 | Youngstown St | 35 to 40 | 146 | 149 |
| 9 | 119 | 1.097 | (5,3) | 0.847 | South Dakota | 21 to 13 | 123 | 105 |
| 10 | 113 | 1.130 | (6,3) | 0.797 | Northern Iowa | 31 to 16 | 244 | 244 |
| 11 | | | | | Indiana St | | | 150 |
| 12 | | | | | S Dakota St | | | 79 |
| 13 | | | | | S Illinois | | | 139 |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |