| 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 | West Virginia | 38 to 15 | 424 | 30 |
| 3 | 324 | 0.905 | (2,0) | -0.095 | Delaware | 63 to 7 | 491 | 121 |
| 4 | 11 | 2.634 | (3,0) | 1.634 | Illinois | 30 to 13 | 57 | 73 |
| 5 | 5 | 2.672 | (4,0) | 1.672 | Iowa | 31 to 0 | 44 | 16 |
| 6 | 3 | 2.662 | (5,0) | 1.662 | Northwestern | 41 to 13 | 68 | 35 |
| 7 | 1 | 2.658 | (5,0) | 1.658 | --bye-- |
| 8 | 5 | 2.472 | (6,0) | 1.472 | Massachusetts | 63 to 0 | 232 | 188 |
| 9 | 13 | 2.192 | (6,1) | 1.478 | Ohio State | 12 to 20 | 1 | 7 |
| 10 | 8 | 2.269 | (7,1) | 1.519 | Indiana | 33 to 24 | 120 | 125 |
| 11 | 9 | 2.342 | (8,1) | 1.565 | Maryland | 51 to 15 | 57 | 36 |
| 12 | 11 | 2.255 | (8,2) | 1.655 | Michigan | 15 to 24 | 3 | 2 |
| 13 | 9 | 2.260 | (9,2) | 1.624 | Rutgers | 27 to 6 | 42 | 44 |
| 14 | 9 | 2.313 | (10,2) | 1.646 | Michigan St | 42 to 0 | 70 | 72 |
| 15 | 9 | 2.227 | (10,2) | 1.560 | --bye-- |
| 16 | 9 | 2.225 | (10,2) | 1.558 | --bye-- |
| 17 | 9 | 2.205 | (10,2) | 1.538 | --bye-- |
| 18 | 11 | 2.142 | (10,3) | 1.604 | Mississippi | 25 to 38 | 10 | 10 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |