| 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 | Ohio | 34 to 31 | 518 | 87 |
| 2 | 638 | -1.492 | (2,0) | -2.492 | Miami OH | 45 to 17 | 680 | 103 |
| 3 | 95 | 1.219 | (3,0) | 0.219 | Norfolk St | 60 to 10 | 424 | 434 |
| 4 | 111 | 1.132 | (3,1) | 0.632 | Iowa | 28 to 38 | 121 | 45 |
| 5 | 106 | 1.159 | (3,2) | 0.959 | Minnesota | 28 to 31 | 81 | 50 |
| 6 | 122 | 1.054 | (3,2) | 0.854 | --bye-- |
| 7 | 104 | 1.207 | (3,3) | 1.207 | Washington | 19 to 38 | 8 | 16 |
| 8 | 114 | 1.146 | (3,4) | 1.289 | Oregon | 10 to 56 | 18 | 13 |
| 9 | 84 | 1.348 | (4,4) | 1.348 | Purdue | 27 to 24 | 126 | 121 |
| 10 | 91 | 1.322 | (4,5) | 1.433 | Illinois | 13 to 35 | 24 | 24 |
| 11 | | | | | Maryland | | | 84 |
| 12 | | | | | --bye-- |
| 13 | | | | | Ohio St | | | 3 |
| 14 | | | | | Penn St | | | 98 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |