| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 29 | 0.500 | (1,0) | -0.500 | Oberlin | 42 to 10 | 424 | 740 |
| 3 | 320 | 1.000 | (2,0) | -0.000 | Kenyon | 48 to 16 | 486 | 715 |
| 4 | 449 | -0.353 | (3,0) | -1.353 | Defiance | 42 to 35 | 551 | 652 |
| 5 | 425 | -0.234 | (3,0) | -1.234 | --bye-- |
| 6 | 426 | -0.232 | (3,1) | -0.732 | Albion | 17 to 44 | 292 | 456 |
| 7 | 563 | -0.745 | (3,2) | -0.945 | Olivet | 14 to 42 | 553 | 607 |
| 8 | 590 | -0.816 | (4,2) | -1.149 | Adrian | 45 to 23 | 738 | 722 |
| 9 | 585 | -0.749 | (4,3) | -0.892 | Alma | 10 to 43 | 294 | 294 |
| 10 | 589 | -0.776 | (4,4) | -0.776 | Hope | 17 to 63 | 359 | 359 |
| 11 | 588 | -0.783 | (5,4) | -0.894 | Greenville | 33 to 23 | 734 | 734 |
| 12 | 616 | -0.873 | (5,5) | -0.873 | Trine | 29 to 42 | 515 | 513 |
| 13 | 613 | -0.848 | (5,5) | -0.848 | --bye-- |
| 14 | 606 | -0.846 | (5,5) | -0.846 | --bye-- |
| 15 | 611 | -0.948 | (5,5) | -0.948 | --bye-- |
| 16 | 612 | -0.959 | (5,5) | -0.959 | --bye-- |
| 17 | 614 | -0.966 | (5,5) | -0.966 | --bye-- |
| 18 | 610 | -0.984 | (5,5) | -0.984 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |