| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 424 | -0.500 | (0,1) | 0.500 | Mount Union | 6 to 45 | 29 | 347 |
| 3 | 437 | 0.167 | (1,1) | 0.167 | Adrian | 34 to 17 | 576 | 722 |
| 4 | 551 | -0.758 | (1,2) | -0.424 | Kalamazoo | 35 to 42 | 449 | 610 |
| 5 | 541 | -0.708 | (1,2) | -0.375 | --bye-- |
| 6 | 479 | -0.413 | (2,2) | -0.413 | Hanover | 27 to 21 | 482 | 529 |
| 7 | 576 | -0.778 | (2,3) | -0.578 | Mt St Joseph | 21 to 62 | 468 | 433 |
| 8 | 646 | -1.041 | (2,4) | -0.707 | Franklin | 21 to 35 | 620 | 641 |
| 9 | 604 | -0.845 | (3,4) | -0.702 | Anderson IN | 36 to 6 | 699 | 732 |
| 10 | 617 | -0.866 | (4,4) | -0.866 | Manchester | 51 to 27 | 735 | 728 |
| 11 | 624 | -0.918 | (4,5) | -0.807 | Rose-Hulman | 54 to 78 | 460 | 491 |
| 12 | 651 | -1.044 | (4,6) | -0.844 | Bluffton | 35 to 42 | 669 | 666 |
| 13 | 650 | -1.042 | (4,6) | -0.842 | --bye-- |
| 14 | 650 | -1.061 | (4,6) | -0.861 | --bye-- |
| 15 | 651 | -1.159 | (4,6) | -0.959 | --bye-- |
| 16 | 652 | -1.167 | (4,6) | -0.967 | --bye-- |
| 17 | 652 | -1.174 | (4,6) | -0.974 | --bye-- |
| 18 | 652 | -1.192 | (4,6) | -0.992 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |