| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 29 | 0.500 | (1,0) | -0.500 | Northwestern | 24 to 7 | 424 | 35 |
| 3 | 159 | 2.281 | (2,0) | 1.281 | Temple | 36 to 7 | 259 | 236 |
| 4 | 20 | 2.425 | (3,0) | 1.425 | Virginia Tech | 35 to 16 | 131 | 55 |
| 5 | 22 | 2.243 | (3,1) | 1.743 | Michigan | 7 to 31 | 6 | 2 |
| 6 | 33 | 1.971 | (4,1) | 1.371 | Wagner | 52 to 3 | 250 | 416 |
| 7 | 45 | 1.735 | (4,2) | 1.402 | Wisconsin | 13 to 24 | 21 | 53 |
| 8 | 41 | 1.724 | (5,2) | 1.295 | Michigan St | 27 to 24 | 98 | 72 |
| 9 | 40 | 1.674 | (6,2) | 1.174 | Indiana | 31 to 14 | 126 | 125 |
| 10 | 38 | 1.740 | (6,2) | 1.240 | --bye-- |
| 11 | 36 | 1.751 | (6,3) | 1.418 | Ohio State | 16 to 35 | 1 | 7 |
| 12 | 41 | 1.672 | (6,4) | 1.472 | Iowa | 0 to 22 | 15 | 16 |
| 13 | 42 | 1.602 | (6,5) | 1.511 | Penn State | 6 to 27 | 9 | 11 |
| 14 | 54 | 1.579 | (6,6) | 1.579 | Maryland | 24 to 42 | 41 | 36 |
| 15 | 55 | 1.496 | (6,6) | 1.496 | --bye-- |
| 16 | 54 | 1.492 | (6,6) | 1.492 | --bye-- |
| 17 | 56 | 1.471 | (6,6) | 1.471 | --bye-- |
| 18 | 44 | 1.555 | (7,6) | 1.478 | Miami FL | 31 to 24 | 57 | 57 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |