| 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 | Loras | 62 to 0 | 443 | 575 |
| 3 | 1 | 5.367 | (2,0) | 4.367 | Franklin | 38 to 14 | 3 | 539 |
| 4 | 297 | 0.160 | (3,0) | -0.840 | Mt St Joseph | 31 to 28 | 473 | 514 |
| 5 | 475 | -0.669 | (3,1) | -1.169 | Alma | 26 to 29 | 432 | 308 |
| 6 | 333 | -0.042 | (4,1) | -0.642 | Trine | 55 to 35 | 398 | 467 |
| 7 | 355 | -0.147 | (4,1) | -0.747 | --bye-- |
| 8 | 331 | -0.064 | (5,1) | -0.731 | Kalamazoo | 56 to 21 | 600 | 587 |
| 9 | 320 | -0.002 | (6,1) | -0.717 | Adrian | 19 to 17 | 402 | 392 |
| 10 | 328 | -0.040 | (7,1) | -0.790 | Albion | 62 to 0 | 571 | 570 |
| 11 | 297 | 0.069 | (8,1) | -0.709 | Calvin | 52 to 0 | 399 | 400 |
| 12 | 312 | -0.016 | (9,1) | -0.816 | Olivet MI | 63 to 6 | 629 | 631 |
| 13 | 331 | -0.061 | (9,1) | -0.861 | --bye-- |
| 14 | 337 | -0.098 | (9,2) | -0.735 | WI LaCrosse | 7 to 9 | 201 | 199 |
| 15 | 327 | -0.087 | (9,2) | -0.724 | --bye-- |
| 16 | 327 | -0.071 | (9,2) | -0.708 | --bye-- |
| 17 | 326 | -0.060 | (9,2) | -0.696 | --bye-- |
| 18 | 325 | -0.060 | (9,2) | -0.696 | --bye-- |
| 19 | 325 | -0.060 | (9,2) | -0.697 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |