| 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 | 166 | 0.500 | (1,0) | -0.500 | Oberlin | 88 to 6 | 443 | 662 |
| 3 | 82 | 1.367 | (2,0) | 0.367 | Concordia WI | 34 to 7 | 280 | 445 |
| 4 | 562 | -1.109 | (3,0) | -2.109 | Heidelberg | 40 to 37 | 657 | 451 |
| 5 | 442 | -0.493 | (4,0) | -1.493 | Kalamazoo | 24 to 16 | 578 | 583 |
| 6 | 402 | -0.303 | (4,1) | -0.903 | Alma | 6 to 55 | 329 | 311 |
| 7 | 385 | -0.288 | (4,1) | -0.888 | --bye-- |
| 8 | 410 | -0.349 | (4,2) | -0.682 | Adrian | 17 to 48 | 367 | 391 |
| 9 | 385 | -0.231 | (5,2) | -0.660 | Trine | 34 to 31 | 450 | 454 |
| 10 | 388 | -0.246 | (6,2) | -0.746 | Olivet MI | 50 to 20 | 616 | 616 |
| 11 | | | | | Hope | | | 324 |
| 12 | | | | | Albion | | | 571 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |