| 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 | Utah | 10 to 43 | 7 | 12 |
| 2 | 658 | -1.971 | (0,2) | -0.971 | UNLV | 23 to 30 | 621 | 57 |
| 3 | 451 | -0.405 | (0,3) | 0.595 | New Mexico | 10 to 35 | 309 | 59 |
| 4 | 338 | 0.010 | (0,3) | 1.010 | --bye-- |
| 5 | 228 | 0.481 | (0,4) | 1.481 | Northwestern | 14 to 17 | 98 | 55 |
| 6 | 152 | 0.903 | (1,4) | 1.503 | Penn St | 42 to 37 | 97 | 98 |
| 7 | 102 | 1.229 | (2,4) | 1.562 | Michigan St | 38 to 13 | 93 | 93 |
| 8 | 85 | 1.324 | (3,4) | 1.467 | Maryland | 20 to 17 | 95 | 84 |
| 9 | 76 | 1.404 | (3,5) | 1.654 | Indiana | 6 to 56 | 2 | 2 |
| 10 | 73 | 1.422 | (3,5) | 1.672 | --bye-- |
| 11 | | | | | Nebraska | | | 46 |
| 12 | | | | | Ohio St | | | 3 |
| 13 | | | | | Washington | | | 16 |
| 14 | | | | | USC | | | 18 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |