| 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 | Georgia Tech | 20 to 27 | 7 | 31 |
| 2 | 91 | 1.073 | (1,1) | 1.073 | Delaware | 31 to 7 | 377 | 116 |
| 3 | 87 | 1.326 | (1,2) | 1.660 | Houston | 20 to 36 | 30 | 24 |
| 4 | 26 | 1.873 | (2,2) | 1.873 | Wyoming | 37 to 20 | 137 | 155 |
| 5 | 45 | 1.705 | (2,3) | 1.905 | BYU | 21 to 24 | 16 | 6 |
| 6 | 72 | 1.384 | (2,4) | 1.717 | TCU | 21 to 35 | 27 | 21 |
| 7 | 48 | 1.645 | (3,4) | 1.788 | Iowa St | 24 to 17 | 32 | 28 |
| 8 | 50 | 1.589 | (3,4) | 1.732 | --bye-- |
| 9 | 50 | 1.565 | (3,5) | 1.815 | Utah | 7 to 53 | 20 | 12 |
| 10 | 64 | 1.409 | (3,6) | 1.742 | Arizona | 17 to 52 | 44 | 29 |
| 11 | 83 | 1.290 | (3,7) | 1.690 | West Virginia | 22 to 29 | 90 | 94 |
| 12 | 86 | 1.296 | (3,7) | 1.696 | --bye-- |
| 13 | 89 | 1.226 | (3,8) | 1.681 | Arizona St | 17 to 42 | 19 | 32 |
| 14 | 104 | 1.149 | (3,9) | 1.649 | Kansas St | 14 to 24 | 59 | 54 |
| 15 | 101 | 1.156 | (3,9) | 1.656 | --bye-- |
| 16 | 101 | 1.144 | (3,9) | 1.644 | --bye-- |
| 17 | 98 | 1.158 | (3,9) | 1.658 | --bye-- |
| 18 | 93 | 1.181 | (3,9) | 1.681 | --bye-- |
| 19 | 96 | 1.164 | (3,9) | 1.664 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |