| 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 | Miami OH | 17 to 0 | 518 | 119 |
| 2 | 639 | -1.492 | (2,0) | -2.492 | MTSU | 42 to 10 | 681 | 191 |
| 3 | 122 | 1.026 | (2,1) | 0.692 | Alabama | 14 to 38 | 70 | 11 |
| 4 | 144 | 0.898 | (2,2) | 0.898 | Maryland | 10 to 27 | 31 | 114 |
| 5 | 109 | 1.131 | (2,2) | 1.131 | --bye-- |
| 6 | 94 | 1.213 | (2,3) | 1.413 | Michigan | 10 to 24 | 14 | 18 |
| 7 | 122 | 1.021 | (2,4) | 1.354 | Iowa | 0 to 37 | 78 | 27 |
| 8 | 110 | 1.094 | (2,5) | 1.523 | Ohio St | 0 to 34 | 3 | 4 |
| 9 | 97 | 1.178 | (2,6) | 1.678 | Oregon | 7 to 21 | 16 | 2 |
| 10 | 96 | 1.166 | (2,6) | 1.666 | --bye-- |
| 11 | 73 | 1.354 | (3,6) | 1.688 | Washington | 13 to 10 | 27 | 23 |
| 12 | 78 | 1.357 | (3,7) | 1.757 | Indiana | 7 to 31 | 3 | 1 |
| 13 | 56 | 1.509 | (4,7) | 1.782 | Illinois | 27 to 10 | 31 | 19 |
| 14 | 61 | 1.418 | (4,8) | 1.751 | Minnesota | 7 to 17 | 53 | 44 |
| 15 | 62 | 1.423 | (4,8) | 1.756 | --bye-- |
| 16 | 60 | 1.430 | (4,8) | 1.764 | --bye-- |
| 17 | 60 | 1.452 | (4,8) | 1.786 | --bye-- |
| 18 | 57 | 1.465 | (4,8) | 1.798 | --bye-- |
| 19 | 59 | 1.460 | (4,8) | 1.793 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |