| 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 | Nebraska | 17 to 20 | 7 | 55 |
| 2 | 146 | 0.515 | (1,1) | 0.515 | Bowling Green | 34 to 20 | 426 | 192 |
| 3 | 107 | 1.100 | (2,1) | 0.767 | Northwestern LA | 70 to 0 | 284 | 362 |
| 4 | 98 | 1.207 | (2,1) | 0.874 | --bye-- |
| 5 | 51 | 1.620 | (3,1) | 1.120 | Kansas | 37 to 34 | 83 | 88 |
| 6 | 31 | 1.895 | (4,1) | 1.295 | Iowa St | 38 to 30 | 26 | 28 |
| 7 | 27 | 1.929 | (5,1) | 1.262 | UCF | 20 to 11 | 131 | 99 |
| 8 | 32 | 1.815 | (6,1) | 1.100 | Oklahoma St | 49 to 17 | 161 | 161 |
| 9 | 28 | 1.873 | (7,1) | 1.123 | Baylor | 41 to 20 | 74 | 82 |
| 10 | 36 | 1.739 | (7,2) | 1.183 | Utah | 14 to 45 | 12 | 12 |
| 11 | 36 | 1.727 | (7,2) | 1.171 | --bye-- |
| 12 | 42 | 1.650 | (7,3) | 1.250 | Arizona | 24 to 30 | 26 | 29 |
| 13 | 48 | 1.567 | (7,4) | 1.295 | BYU | 14 to 26 | 4 | 6 |
| 14 | 55 | 1.498 | (7,5) | 1.331 | TCU | 23 to 45 | 26 | 21 |
| 15 | 56 | 1.506 | (7,5) | 1.339 | --bye-- |
| 16 | 56 | 1.494 | (7,5) | 1.328 | --bye-- |
| 17 | 54 | 1.501 | (7,5) | 1.335 | --bye-- |
| 18 | 51 | 1.529 | (7,5) | 1.362 | --bye-- |
| 19 | 57 | 1.462 | (7,6) | 1.385 | Navy | 13 to 35 | 25 | 25 |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |