| 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 | Thomas More | 49 to 3 | 518 | 486 |
| 2 | 22 | 2.600 | (1,1) | 2.600 | Purdue | 17 to 34 | 6 | 121 |
| 3 | 332 | 0.046 | (2,1) | -0.287 | TN Martin | 37 to 10 | 540 | 200 |
| 4 | 225 | 0.455 | (3,1) | -0.045 | SE Missouri St | 59 to 31 | 355 | 226 |
| 5 | 199 | 0.625 | (3,1) | 0.125 | --bye-- |
| 6 | 128 | 1.030 | (4,1) | 0.430 | Indiana St | 55 to 27 | 127 | 150 |
| 7 | 135 | 0.999 | (4,2) | 0.666 | N Dakota St | 17 to 45 | 43 | 34 |
| 8 | 148 | 0.900 | (4,3) | 0.757 | North Dakota | 19 to 38 | 105 | 107 |
| 9 | 134 | 0.968 | (5,3) | 0.718 | Northern Iowa | 31 to 17 | 227 | 244 |
| 10 | 139 | 0.972 | (6,3) | 0.638 | Murray St | 27 to 7 | 335 | 335 |
| 11 | | | | | Youngstown St | | | 149 |
| 12 | | | | | South Dakota | | | 105 |
| 13 | | | | | Illinois St | | | 113 |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |