| 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 | 127 |
| 3 | 24 | 2.040 | (1,1) | 2.040 | Denison | 53 to 27 | 118 | 436 |
| 4 | 536 | -0.975 | (1,2) | -0.641 | Hanover | 23 to 24 | 539 | 388 |
| 5 | 432 | -0.477 | (2,2) | -0.477 | Hope | 29 to 26 | 475 | 325 |
| 6 | 332 | -0.038 | (3,2) | -0.238 | Calvin | 55 to 6 | 402 | 400 |
| 7 | 323 | -0.008 | (3,2) | -0.208 | --bye-- |
| 8 | 296 | 0.087 | (4,2) | -0.247 | Albion | 48 to 27 | 501 | 570 |
| 9 | 329 | -0.057 | (5,2) | -0.485 | Olivet MI | 53 to 21 | 608 | 631 |
| 10 | 311 | 0.004 | (6,2) | -0.496 | Trine | 42 to 28 | 455 | 467 |
| 11 | 310 | -0.002 | (7,2) | -0.558 | Kalamazoo | 53 to 3 | 575 | 587 |
| 12 | 303 | 0.034 | (8,2) | -0.566 | Adrian | 35 to 34 | 390 | 392 |
| 13 | 311 | 0.014 | (8,2) | -0.586 | --bye-- |
| 14 | 319 | -0.022 | (8,3) | -0.477 | WI Platteville | 7 to 24 | 205 | 206 |
| 15 | 315 | -0.011 | (8,3) | -0.465 | --bye-- |
| 16 | 311 | 0.010 | (8,3) | -0.445 | --bye-- |
| 17 | 309 | 0.023 | (8,3) | -0.431 | --bye-- |
| 18 | 308 | 0.023 | (8,3) | -0.431 | --bye-- |
| 19 | 308 | 0.027 | (8,3) | -0.427 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |