| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 424 | -0.500 | (0,1) | 0.500 | Kansas | 17 to 48 | 29 | 24 |
| 3 | 263 | 1.281 | (0,2) | 2.281 | Tennessee-Martin | 31 to 38 | 161 | 106 |
| 4 | 159 | 1.032 | (0,2) | 2.032 | --bye-- |
| 5 | 125 | 1.151 | (1,2) | 1.484 | Utah Tech | 59 to 14 | 251 | 311 |
| 6 | 121 | 1.095 | (1,3) | 1.595 | Southern Illinois | 20 to 33 | 34 | 114 |
| 7 | 153 | 0.871 | (1,4) | 1.471 | North Dakota St | 10 to 38 | 69 | 69 |
| 8 | 177 | 0.747 | (2,4) | 1.080 | Western Illinois | 48 to 7 | 475 | 403 |
| 9 | 159 | 0.788 | (3,4) | 0.931 | Murray St | 28 to 24 | 246 | 284 |
| 10 | 184 | 0.717 | (3,5) | 0.967 | Youngstown St | 28 to 44 | 102 | 115 |
| 11 | 231 | 0.563 | (3,6) | 0.896 | Illinois St | 35 to 36 | 203 | 199 |
| 12 | 187 | 0.707 | (4,6) | 0.907 | Northern Iowa | 35 to 16 | 114 | 131 |
| 13 | 184 | 0.706 | (4,7) | 0.979 | South Dakota St | 17 to 35 | 19 | 18 |
| 14 | 177 | 0.754 | (4,7) | 1.027 | --bye-- |
| 15 | 188 | 0.660 | (4,7) | 0.933 | --bye-- |
| 16 | 185 | 0.667 | (4,7) | 0.940 | --bye-- |
| 17 | 189 | 0.641 | (4,7) | 0.914 | --bye-- |
| 18 | 189 | 0.634 | (4,7) | 0.906 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |