| 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 | Towson | 38 to 6 | 424 | 225 |
| 3 | 369 | 0.539 | (2,0) | -0.461 | UNC-Charlotte | 38 to 20 | 511 | 220 |
| 4 | 87 | 1.565 | (3,0) | 0.565 | Virginia | 42 to 14 | 229 | 111 |
| 5 | 38 | 1.884 | (4,0) | 0.884 | Michigan St | 31 to 9 | 75 | 72 |
| 6 | 44 | 1.810 | (5,0) | 0.810 | Indiana | 44 to 17 | 118 | 125 |
| 7 | 32 | 1.860 | (5,1) | 1.193 | Ohio State | 17 to 37 | 2 | 7 |
| 8 | 54 | 1.575 | (5,2) | 1.147 | Illinois | 24 to 27 | 60 | 73 |
| 9 | 43 | 1.637 | (5,2) | 1.208 | --bye-- |
| 10 | 64 | 1.479 | (5,3) | 1.229 | Northwestern | 27 to 33 | 61 | 35 |
| 11 | 57 | 1.537 | (5,4) | 1.426 | Penn State | 15 to 51 | 9 | 11 |
| 12 | 49 | 1.605 | (6,4) | 1.405 | Nebraska | 13 to 10 | 70 | 81 |
| 13 | 46 | 1.571 | (6,5) | 1.480 | Michigan | 24 to 31 | 4 | 2 |
| 14 | 41 | 1.684 | (7,5) | 1.517 | Rutgers | 42 to 24 | 54 | 44 |
| 15 | 42 | 1.605 | (7,5) | 1.438 | --bye-- |
| 16 | 42 | 1.602 | (7,5) | 1.435 | --bye-- |
| 17 | 43 | 1.582 | (7,5) | 1.415 | --bye-- |
| 18 | 36 | 1.659 | (8,5) | 1.428 | Auburn | 31 to 13 | 62 | 62 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |