| 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 | San Jose St | 16 to 14 | 518 | 168 |
| 2 | 316 | 0.187 | (1,1) | 0.187 | Pittsburgh | 17 to 45 | 87 | 46 |
| 3 | 408 | -0.169 | (1,2) | 0.164 | Michigan | 3 to 63 | 134 | 18 |
| 4 | 167 | 0.727 | (2,2) | 0.727 | Wagner | 49 to 10 | 402 | 315 |
| 5 | 130 | 1.044 | (3,2) | 0.844 | E Michigan | 24 to 13 | 236 | 188 |
| 6 | 170 | 0.753 | (3,3) | 0.753 | Akron | 22 to 28 | 187 | 183 |
| 7 | 170 | 0.749 | (3,3) | 0.749 | --bye-- |
| 8 | 129 | 0.929 | (4,3) | 0.786 | Bowling Green | 27 to 6 | 109 | 192 |
| 9 | 122 | 1.001 | (5,3) | 0.751 | Massachusetts | 38 to 13 | 324 | 335 |
| 10 | 133 | 0.947 | (5,4) | 0.836 | W Michigan | 21 to 24 | 95 | 56 |
| 11 | 131 | 0.935 | (5,4) | 0.824 | --bye-- |
| 12 | 123 | 1.036 | (6,4) | 0.836 | Buffalo | 38 to 19 | 167 | 184 |
| 13 | 117 | 1.074 | (7,4) | 0.801 | Kent | 28 to 16 | 178 | 162 |
| 14 | 130 | 0.967 | (7,5) | 0.800 | Toledo | 3 to 21 | 103 | 100 |
| 15 | 126 | 0.975 | (7,5) | 0.809 | --bye-- |
| 16 | 126 | 0.972 | (7,5) | 0.806 | --bye-- |
| 17 | 124 | 0.988 | (7,5) | 0.821 | --bye-- |
| 18 | 128 | 0.941 | (7,6) | 0.864 | Northwestern | 7 to 34 | 49 | 48 |
| 19 | 132 | 0.934 | (7,6) | 0.857 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |