| 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 | Rockford | 15 to 19 | 166 | 689 |
| 3 | 568 | -1.062 | (0,2) | -0.062 | Grinnell | 0 to 24 | 371 | 693 |
| 4 | 701 | -4.070 | (0,3) | -3.070 | Knox | 14 to 16 | 694 | 691 |
| 5 | 701 | -4.241 | (0,3) | -3.241 | --bye-- |
| 6 | 701 | -3.315 | (0,4) | -2.315 | Cornell IA | 19 to 26 | 650 | 674 |
| 7 | 701 | -3.238 | (0,5) | -2.238 | Lake Forest | 0 to 59 | 666 | 644 |
| 8 | 700 | -2.872 | (1,5) | -2.205 | Lawrence | 34 to 0 | 696 | 699 |
| 9 | 699 | -2.733 | (1,6) | -2.019 | Monmouth IL | 0 to 72 | 571 | 540 |
| 10 | 700 | -2.683 | (1,7) | -1.933 | Ripon | 0 to 49 | 661 | 661 |
| 11 | | | | | Chicago | | | 588 |
| 12 | | | | | Illinois Col | | | 603 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |