| 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 | Lyon | 12 to 18 | 29 | 699 |
| 3 | 657 | -4.698 | (0,2) | -3.698 | Ripon | 12 to 31 | 652 | 681 |
| 4 | 713 | -1.920 | (1,2) | -1.587 | Beloit | 33 to 23 | 738 | 753 |
| 5 | 740 | -2.060 | (1,2) | -1.727 | --bye-- |
| 6 | 745 | -1.956 | (2,2) | -1.956 | Lawrence | 34 to 16 | 760 | 761 |
| 7 | 750 | -1.937 | (2,3) | -1.737 | Monmouth IL | 6 to 69 | 640 | 527 |
| 8 | 745 | -1.842 | (2,4) | -1.508 | Lake Forest | 0 to 47 | 510 | 622 |
| 9 | 754 | -1.930 | (2,5) | -1.501 | Knox | 7 to 14 | 741 | 736 |
| 10 | 749 | -1.880 | (2,6) | -1.380 | Illinois College | 0 to 93 | 563 | 537 |
| 11 | 750 | -1.910 | (2,7) | -1.354 | Chicago | 14 to 48 | 678 | 643 |
| 12 | 748 | -1.885 | (2,8) | -1.285 | Cornell IA | 20 to 51 | 644 | 639 |
| 13 | 749 | -1.813 | (2,8) | -1.213 | --bye-- |
| 14 | 744 | -1.822 | (2,8) | -1.222 | --bye-- |
| 15 | 742 | -1.871 | (2,8) | -1.271 | --bye-- |
| 16 | 745 | -1.907 | (2,8) | -1.307 | --bye-- |
| 17 | 749 | -1.925 | (2,8) | -1.325 | --bye-- |
| 18 | 749 | -1.944 | (2,8) | -1.344 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |