| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 188 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 443 | -0.500 | (0,1) | 0.500 | WI River Falls | 33 to 45 | 166 | 168 |
| 3 | 24 | 2.040 | (1,1) | 2.040 | Denison | 53 to 27 | 118 | 460 |
| 4 | 536 | -0.975 | (1,2) | -0.641 | Hanover | 23 to 24 | 539 | 411 |
| 5 | 432 | -0.456 | (2,2) | -0.456 | Hope | 29 to 26 | 475 | 324 |
| 6 | 329 | 0.008 | (3,2) | -0.192 | Calvin | 55 to 6 | 402 | 388 |
| 7 | 319 | 0.045 | (3,2) | -0.155 | --bye-- |
| 8 | 293 | 0.151 | (4,2) | -0.182 | Albion | 48 to 27 | 501 | 571 |
| 9 | 327 | 0.019 | (5,2) | -0.409 | Olivet MI | 53 to 21 | 608 | 616 |
| 10 | 311 | 0.088 | (6,2) | -0.412 | Trine | 42 to 28 | 454 | 454 |
| 11 | | | | | Kalamazoo | | | 583 |
| 12 | | | | | Adrian | | | 391 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |