| 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 | Wartburg | 35 to 62 | 29 | 269 |
| 3 | 459 | 0.000 | (1,1) | 0.000 | Chicago | 39 to 6 | 590 | 643 |
| 4 | 512 | -0.595 | (2,1) | -0.929 | Lawrence | 70 to 13 | 691 | 761 |
| 5 | 575 | -0.849 | (2,1) | -1.182 | --bye-- |
| 6 | 611 | -0.968 | (2,2) | -0.968 | Illinois College | 17 to 20 | 525 | 537 |
| 7 | 640 | -1.038 | (3,2) | -1.238 | Grinnell | 69 to 6 | 750 | 749 |
| 8 | 597 | -0.847 | (4,2) | -1.180 | Cornell IA | 43 to 6 | 678 | 639 |
| 9 | 606 | -0.848 | (5,2) | -1.276 | Beloit | 59 to 3 | 756 | 753 |
| 10 | 583 | -0.760 | (6,2) | -1.260 | Ripon | 45 to 3 | 702 | 681 |
| 11 | 560 | -0.676 | (7,2) | -1.231 | Lake Forest | 16 to 14 | 614 | 622 |
| 12 | 554 | -0.641 | (8,2) | -1.241 | Knox | 42 to 7 | 741 | 736 |
| 13 | 521 | -0.512 | (9,2) | -1.148 | St Norbert | 21 to 14 | 612 | 615 |
| 14 | 512 | -0.511 | (9,2) | -1.148 | --bye-- |
| 15 | 505 | -0.555 | (9,2) | -1.191 | --bye-- |
| 16 | 517 | -0.597 | (9,2) | -1.234 | --bye-- |
| 17 | 525 | -0.618 | (9,2) | -1.254 | --bye-- |
| 18 | 527 | -0.637 | (9,2) | -1.273 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |