| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 3 | 1.125 | (1,0) | 0.125 | Hawaii | 40 to 6 | 187 | 85 |
| 2 | 402 | -0.400 | (2,0) | -1.400 | Weber St | 48 to 3 | 619 | 176 |
| 3 | 64 | 1.446 | (3,0) | 0.446 | Kansas St | 23 to 17 | 249 | 66 |
| 4 | 32 | 1.791 | (3,0) | 0.791 | --bye-- |
| 5 | 32 | 1.902 | (3,1) | 1.402 | Iowa St | 14 to 39 | 15 | 38 |
| 6 | 40 | 1.795 | (4,1) | 1.195 | Oklahoma St | 41 to 13 | 183 | 160 |
| 7 | 44 | 1.742 | (4,2) | 1.409 | BYU | 27 to 33 | 15 | 4 |
| 8 | 47 | 1.692 | (4,3) | 1.549 | Houston | 28 to 31 | 24 | 28 |
| 9 | 45 | 1.712 | (4,3) | 1.569 | --bye-- |
| 10 | 44 | 1.764 | (5,3) | 1.514 | Colorado | 52 to 17 | 64 | 64 |
| 11 | | | | | Kansas | | | 74 |
| 12 | | | | | Cincinnati | | | 36 |
| 13 | | | | | Baylor | | | 62 |
| 14 | | | | | Arizona St | | | 23 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |