| 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 | Claremont M.S. | 7 to 14 | 166 | 598 |
| 3 | 415 | -0.200 | (0,2) | 0.800 | Illinois Col | 25 to 28 | 159 | 603 |
| 4 | 578 | -1.210 | (0,3) | -0.210 | Monmouth IL | 6 to 49 | 415 | 540 |
| 5 | 649 | -1.920 | (0,3) | -0.920 | --bye-- |
| 6 | 652 | -1.810 | (1,3) | -1.310 | Ripon | 38 to 0 | 665 | 661 |
| 7 | 666 | -1.934 | (2,3) | -1.734 | Beloit | 59 to 0 | 701 | 700 |
| 8 | 658 | -1.745 | (3,3) | -1.745 | Grinnell | 70 to 0 | 693 | 693 |
| 9 | 653 | -1.625 | (4,3) | -1.768 | Cornell IA | 49 to 24 | 680 | 674 |
| 10 | 644 | -1.572 | (5,3) | -1.822 | Lawrence | 72 to 0 | 699 | 699 |
| 11 | | | | | Knox | | | 691 |
| 12 | | | | | Chicago | | | 588 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |