| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 7 | 0.500 | (1,0) | -0.500 | Portland St | 69 to 0 | 518 | 266 |
| 2 | 617 | -1.400 | (2,0) | -2.400 | Stanford | 27 to 3 | 672 | 92 |
| 3 | 150 | 0.858 | (2,0) | -0.142 | --bye-- |
| 4 | 55 | 1.536 | (3,0) | 0.536 | East Carolina | 34 to 13 | 117 | 43 |
| 5 | 16 | 2.174 | (4,0) | 1.174 | Colorado | 24 to 21 | 45 | 96 |
| 6 | 22 | 1.989 | (5,0) | 0.989 | West Virginia | 38 to 24 | 146 | 94 |
| 7 | 15 | 2.184 | (6,0) | 1.184 | Arizona | 33 to 27 | 44 | 29 |
| 8 | 9 | 2.283 | (7,0) | 1.283 | Utah | 24 to 21 | 27 | 12 |
| 9 | 8 | 2.348 | (8,0) | 1.348 | Iowa St | 41 to 27 | 32 | 28 |
| 10 | 4 | 2.404 | (8,0) | 1.404 | --bye-- |
| 11 | 7 | 2.230 | (8,1) | 1.452 | Texas Tech | 7 to 29 | 14 | 10 |
| 12 | 5 | 2.324 | (9,1) | 1.524 | TCU | 44 to 13 | 36 | 21 |
| 13 | 4 | 2.323 | (10,1) | 1.504 | Cincinnati | 26 to 14 | 48 | 57 |
| 14 | 5 | 2.297 | (11,1) | 1.464 | UCF | 41 to 21 | 110 | 99 |
| 15 | 7 | 2.227 | (11,2) | 1.535 | Texas Tech | 7 to 34 | 9 | 10 |
| 16 | 7 | 2.215 | (11,2) | 1.523 | --bye-- |
| 17 | 6 | 2.221 | (11,2) | 1.529 | --bye-- |
| 18 | 5 | 2.292 | (12,2) | 1.578 | Georgia Tech | 25 to 21 | 30 | 31 |
| 19 | 6 | 2.273 | (12,2) | 1.559 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |