| 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 | Old Dominion | 27 to 14 | 518 | 40 |
| 2 | 51 | 1.666 | (2,0) | 0.666 | Kennesaw | 56 to 9 | 139 | 52 |
| 3 | 93 | 1.228 | (3,0) | 0.228 | Indiana St | 73 to 0 | 297 | 189 |
| 4 | 12 | 2.268 | (4,0) | 1.268 | Illinois | 63 to 10 | 43 | 19 |
| 5 | 6 | 2.498 | (5,0) | 1.498 | Iowa | 20 to 15 | 91 | 27 |
| 6 | 5 | 2.502 | (5,0) | 1.502 | --bye-- |
| 7 | 4 | 2.585 | (6,0) | 1.585 | Oregon | 30 to 20 | 24 | 2 |
| 8 | 1 | 2.502 | (7,0) | 1.502 | Michigan St | 38 to 13 | 84 | 89 |
| 9 | 2 | 2.493 | (8,0) | 1.493 | UCLA | 56 to 6 | 76 | 84 |
| 10 | 2 | 2.496 | (9,0) | 1.496 | Maryland | 55 to 10 | 84 | 114 |
| 11 | 3 | 2.441 | (10,0) | 1.441 | Penn St | 27 to 24 | 94 | 41 |
| 12 | 3 | 2.429 | (11,0) | 1.429 | Wisconsin | 31 to 7 | 78 | 59 |
| 13 | 1 | 2.443 | (11,0) | 1.443 | --bye-- |
| 14 | 2 | 2.412 | (12,0) | 1.412 | Purdue | 56 to 3 | 118 | 111 |
| 15 | 1 | 2.507 | (13,0) | 1.507 | Ohio St | 13 to 10 | 3 | 4 |
| 16 | 1 | 2.512 | (13,0) | 1.512 | --bye-- |
| 17 | 1 | 2.528 | (13,0) | 1.528 | --bye-- |
| 18 | 1 | 2.547 | (13,0) | 1.547 | --bye-- |
| 19 | 1 | 2.590 | (14,0) | 1.590 | Alabama | 38 to 3 | 11 | 11 |
| 20 | | | | | Oregon | | | 2 |
| 21 | | | | | --bye-- |