| 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 | North Park | 19 to 35 | 166 | 520 |
| 3 | 427 | -0.281 | (1,1) | -0.281 | Knox | 50 to 7 | 598 | 695 |
| 4 | 666 | -2.101 | (2,1) | -2.434 | Grinnell | 30 to 20 | 695 | 697 |
| 5 | 670 | -2.306 | (2,1) | -2.639 | --bye-- |
| 6 | 665 | -2.052 | (2,2) | -2.052 | Lake Forest | 0 to 38 | 652 | 628 |
| 7 | 652 | -1.866 | (3,2) | -2.066 | Cornell IA | 22 to 14 | 668 | 674 |
| 8 | 655 | -1.797 | (3,3) | -1.797 | Chicago | 12 to 37 | 555 | 620 |
| 9 | 659 | -1.892 | (3,4) | -1.749 | Illinois Col | 0 to 31 | 601 | 615 |
| 10 | 661 | -1.854 | (4,4) | -1.854 | Beloit | 49 to 0 | 700 | 699 |
| 11 | 665 | -1.870 | (4,5) | -1.759 | Monmouth IL | 3 to 58 | 533 | 546 |
| 12 | 667 | -1.892 | (5,5) | -1.892 | Lawrence | 48 to 7 | 701 | 700 |
| 13 | 672 | -1.939 | (5,5) | -1.939 | --bye-- |
| 14 | 671 | -1.917 | (5,5) | -1.917 | --bye-- |
| 15 | 664 | -1.828 | (5,5) | -1.828 | --bye-- |
| 16 | 662 | -1.836 | (5,5) | -1.836 | --bye-- |
| 17 | 660 | -1.803 | (5,5) | -1.803 | --bye-- |
| 18 | 659 | -1.803 | (5,5) | -1.803 | --bye-- |
| 19 | 661 | -1.810 | (5,5) | -1.810 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |