| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 694 | -0.500 | (0,1) | 0.500 | Iowa St | 21 to 24 | 1 | 28 |
| 1 | 512 | -0.167 | (1,1) | -0.167 | North Dakota | 38 to 35 | 698 | 117 |
| 2 | 647 | -1.521 | (1,2) | -1.187 | Army | 21 to 24 | 612 | 62 |
| 3 | 249 | 0.470 | (1,3) | 0.970 | Arizona | 17 to 23 | 64 | 29 |
| 4 | 153 | 0.827 | (1,3) | 1.327 | --bye-- |
| 5 | 102 | 1.174 | (2,3) | 1.374 | UCF | 34 to 20 | 118 | 99 |
| 6 | 121 | 1.013 | (2,4) | 1.346 | Baylor | 34 to 35 | 56 | 82 |
| 7 | 92 | 1.296 | (3,4) | 1.439 | TCU | 41 to 28 | 41 | 21 |
| 8 | 79 | 1.308 | (3,4) | 1.451 | --bye-- |
| 9 | 64 | 1.430 | (4,4) | 1.430 | Kansas | 42 to 17 | 89 | 88 |
| 10 | 66 | 1.392 | (4,5) | 1.503 | Texas Tech | 20 to 43 | 20 | 10 |
| 11 | 64 | 1.406 | (4,5) | 1.517 | --bye-- |
| 12 | 57 | 1.467 | (5,5) | 1.467 | Oklahoma St | 14 to 6 | 155 | 161 |
| 13 | 67 | 1.379 | (5,6) | 1.470 | Utah | 47 to 51 | 13 | 12 |
| 14 | 59 | 1.465 | (6,6) | 1.465 | Colorado | 24 to 14 | 104 | 96 |
| 15 | 58 | 1.481 | (6,6) | 1.481 | --bye-- |
| 16 | 59 | 1.466 | (6,6) | 1.466 | --bye-- |
| 17 | 58 | 1.471 | (6,6) | 1.471 | --bye-- |
| 18 | 54 | 1.504 | (6,6) | 1.504 | --bye-- |
| 19 | 54 | 1.483 | (6,6) | 1.483 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |