| 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 | SUNY Albany | 34 to 7 | 518 | 352 |
| 2 | 613 | -1.323 | (1,1) | -1.323 | Iowa St | 13 to 16 | 416 | 38 |
| 3 | 307 | 0.217 | (2,1) | -0.116 | Massachusetts | 47 to 7 | 486 | 312 |
| 4 | 121 | 1.060 | (3,1) | 0.560 | Rutgers | 38 to 28 | 111 | 91 |
| 5 | 91 | 1.316 | (3,2) | 1.116 | Indiana | 15 to 20 | 6 | 2 |
| 6 | 95 | 1.257 | (3,2) | 1.057 | --bye-- |
| 7 | 78 | 1.426 | (4,2) | 1.093 | Wisconsin | 37 to 0 | 122 | 96 |
| 8 | 63 | 1.534 | (5,2) | 1.106 | Penn St | 25 to 24 | 111 | 98 |
| 9 | 44 | 1.727 | (6,2) | 1.227 | Minnesota | 41 to 3 | 59 | 50 |
| 10 | 45 | 1.731 | (6,2) | 1.231 | --bye-- |
| 11 | | | | | Oregon | | | 13 |
| 12 | | | | | USC | | | 18 |
| 13 | | | | | Michigan St | | | 93 |
| 14 | | | | | Nebraska | | | 46 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |