Southern Illinois - MVFC - FCS - NCAA
| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 29 | 0.500 | (1,0) | -0.500 | Austin Peay | 49 to 23 | 424 | 101 |
| 3 | 660 | -4.719 | (2,0) | -5.719 | Northern Illinois | 14 to 11 | 667 | 130 |
| 4 | 37 | 2.183 | (3,0) | 1.183 | SE Missouri St | 26 to 25 | 107 | 244 |
| 5 | 34 | 1.926 | (3,0) | 0.926 | --bye-- |
| 6 | 34 | 1.961 | (4,0) | 0.961 | Missouri St | 33 to 20 | 121 | 189 |
| 7 | 74 | 1.449 | (4,1) | 0.849 | Youngstown St | 3 to 31 | 109 | 115 |
| 8 | 55 | 1.562 | (5,1) | 0.896 | Murray St | 27 to 6 | 204 | 284 |
| 9 | 62 | 1.464 | (5,2) | 1.035 | South Dakota St | 10 to 17 | 28 | 18 |
| 10 | 72 | 1.431 | (6,2) | 0.931 | Western Illinois | 63 to 0 | 419 | 403 |
| 11 | 92 | 1.276 | (6,3) | 0.942 | South Dakota | 7 to 14 | 54 | 60 |
| 12 | 104 | 1.164 | (6,4) | 0.964 | North Dakota St | 10 to 34 | 96 | 69 |
| 13 | 106 | 1.161 | (7,4) | 0.889 | Indiana St | 38 to 9 | 338 | 349 |
| 14 | 99 | 1.236 | (8,4) | 0.903 | Nicholls St | 35 to 0 | 192 | 208 |
| 15 | 109 | 1.080 | (8,5) | 0.850 | Idaho | 17 to 20 | 83 | 95 |
| 16 | 111 | 1.071 | (8,5) | 0.840 | --bye-- |
| 17 | 115 | 1.045 | (8,5) | 0.814 | --bye-- |
| 18 | 114 | 1.041 | (8,5) | 0.810 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |