| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 518 | -0.500 | (0,1) | 0.500 | Oklahoma | 3 to 35 | 7 | 9 |
| 2 | 588 | -0.828 | (1,1) | -0.828 | Morehead St | 41 to 13 | 652 | 264 |
| 3 | 149 | 0.874 | (2,1) | 0.540 | E Illinois | 42 to 30 | 418 | 269 |
| 4 | 80 | 1.300 | (3,1) | 0.800 | North Alabama | 38 to 36 | 430 | 280 |
| 5 | 67 | 1.498 | (3,1) | 0.998 | --bye-- |
| 6 | 89 | 1.246 | (3,2) | 1.046 | N Dakota St | 16 to 33 | 51 | 47 |
| 7 | 117 | 1.043 | (4,2) | 0.710 | Murray St | 46 to 32 | 335 | 299 |
| 8 | 141 | 0.879 | (4,3) | 0.736 | Youngstown St | 35 to 40 | 146 | 126 |
| 9 | 119 | 1.021 | (5,3) | 0.771 | South Dakota | 21 to 13 | 124 | 80 |
| 10 | 113 | 1.045 | (6,3) | 0.712 | Northern Iowa | 31 to 16 | 246 | 229 |
| 11 | 101 | 1.147 | (7,3) | 0.747 | Indiana St | 52 to 20 | 164 | 189 |
| 12 | 88 | 1.265 | (8,3) | 0.810 | S Dakota St | 35 to 21 | 103 | 87 |
| 13 | 104 | 1.113 | (8,4) | 0.780 | S Illinois | 7 to 37 | 146 | 141 |
| 14 | 93 | 1.182 | (9,4) | 0.798 | SE Louisiana | 21 to 3 | 145 | 139 |
| 15 | 76 | 1.286 | (10,4) | 0.858 | N Dakota St | 29 to 28 | 48 | 47 |
| 16 | 68 | 1.354 | (11,4) | 0.887 | UC Davis | 42 to 31 | 76 | 73 |
| 17 | 64 | 1.420 | (12,4) | 0.920 | Villanova | 30 to 14 | 78 | 79 |
| 18 | 62 | 1.420 | (12,4) | 0.920 | --bye-- |
| 19 | 63 | 1.419 | (12,4) | 0.919 | --bye-- |
| 20 | 67 | 1.376 | (12,5) | 0.964 | Montana St | 34 to 35 | 31 | 30 |
| 21 | 67 | 1.376 | (12,5) | 0.965 | --bye-- |