| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 424 | -0.500 | (0,1) | 0.500 | Wyoming | 33 to 35 | 29 | 33 |
| 3 | 526 | -0.500 | (0,2) | 0.500 | Oregon | 30 to 38 | 370 | 6 |
| 4 | 98 | 1.490 | (1,2) | 1.823 | Tarleton St | 41 to 3 | 155 | 158 |
| 5 | 89 | 1.430 | (1,3) | 1.930 | West Virginia | 13 to 20 | 36 | 30 |
| 6 | 77 | 1.455 | (2,3) | 1.655 | Houston | 49 to 28 | 138 | 109 |
| 7 | 63 | 1.516 | (3,3) | 1.516 | Baylor | 39 to 14 | 108 | 133 |
| 8 | 89 | 1.318 | (3,4) | 1.461 | Kansas St | 21 to 38 | 33 | 17 |
| 9 | 99 | 1.182 | (3,5) | 1.432 | Brigham Young | 14 to 27 | 65 | 74 |
| 10 | 92 | 1.251 | (3,5) | 1.501 | --bye-- |
| 11 | 70 | 1.395 | (4,5) | 1.506 | TCU | 35 to 28 | 79 | 70 |
| 12 | 54 | 1.536 | (5,5) | 1.536 | Kansas | 16 to 13 | 20 | 24 |
| 13 | 41 | 1.608 | (6,5) | 1.517 | Central Florida | 24 to 23 | 74 | 71 |
| 14 | 47 | 1.639 | (6,6) | 1.639 | Texas | 7 to 57 | 3 | 4 |
| 15 | 48 | 1.568 | (6,6) | 1.568 | --bye-- |
| 16 | 48 | 1.563 | (6,6) | 1.563 | --bye-- |
| 17 | 39 | 1.637 | (7,6) | 1.560 | California | 34 to 14 | 50 | 45 |
| 18 | 40 | 1.633 | (7,6) | 1.556 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |