| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 363 | 0.000 | (0,0) | 0.000 | --bye-- |
| 3 | 370 | 0.500 | (1,0) | -0.500 | Hillsdale | 45 to 20 | 526 | 368 |
| 4 | 346 | 0.100 | (2,0) | -0.900 | UW-Platteville | 24 to 20 | 534 | 374 |
| 5 | 250 | 0.490 | (3,0) | -0.510 | Upper Iowa | 34 to 31 | 520 | 550 |
| 6 | 283 | 0.341 | (3,1) | -0.159 | Davenport | 0 to 28 | 130 | 238 |
| 7 | 361 | -0.020 | (3,2) | -0.220 | Wayne St MI | 21 to 23 | 332 | 407 |
| 8 | 340 | 0.078 | (4,2) | -0.255 | Northern Michigan | 62 to 0 | 591 | 591 |
| 9 | 334 | 0.089 | (4,3) | -0.054 | Ferris St | 21 to 35 | 172 | 187 |
| 10 | 343 | 0.061 | (4,4) | 0.061 | Grand Valley St | 13 to 44 | 132 | 116 |
| 11 | 332 | 0.109 | (5,4) | -0.002 | Minot St | 37 to 3 | 563 | 580 |
| 12 | 350 | 0.035 | (5,5) | 0.035 | Saginaw Valley St | 21 to 38 | 270 | 279 |
| 13 | 347 | 0.047 | (5,5) | 0.047 | --bye-- |
| 14 | 344 | 0.066 | (5,5) | 0.066 | --bye-- |
| 15 | 353 | -0.037 | (5,5) | -0.037 | --bye-- |
| 16 | 351 | -0.034 | (5,5) | -0.034 | --bye-- |
| 17 | 352 | -0.047 | (5,5) | -0.047 | --bye-- |
| 18 | 353 | -0.059 | (5,5) | -0.059 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |