| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 7 | 0.500 | (1,0) | -0.500 | Ark Pine Bluff | 67 to 7 | 518 | 356 |
| 2 | 73 | 1.508 | (2,0) | 0.508 | Kent | 62 to 14 | 162 | 162 |
| 3 | 259 | 0.435 | (3,0) | -0.565 | Oregon St | 45 to 14 | 423 | 152 |
| 4 | 56 | 1.521 | (4,0) | 0.521 | Utah | 34 to 10 | 76 | 12 |
| 5 | 38 | 1.805 | (4,0) | 0.805 | --bye-- |
| 6 | 19 | 2.042 | (5,0) | 1.042 | Houston | 35 to 11 | 38 | 24 |
| 7 | 14 | 2.185 | (6,0) | 1.185 | Kansas | 42 to 17 | 73 | 88 |
| 8 | 25 | 1.910 | (6,1) | 1.195 | Arizona St | 22 to 26 | 26 | 32 |
| 9 | 26 | 1.907 | (7,1) | 1.157 | Oklahoma St | 42 to 0 | 152 | 161 |
| 10 | 20 | 2.003 | (8,1) | 1.225 | Kansas St | 43 to 20 | 66 | 54 |
| 11 | 14 | 2.084 | (9,1) | 1.284 | BYU | 29 to 7 | 7 | 6 |
| 12 | 13 | 2.128 | (10,1) | 1.309 | UCF | 48 to 9 | 109 | 99 |
| 13 | 14 | 2.067 | (10,1) | 1.249 | --bye-- |
| 14 | 13 | 2.071 | (11,1) | 1.238 | West Virginia | 49 to 0 | 100 | 94 |
| 15 | 9 | 2.171 | (12,1) | 1.324 | BYU | 34 to 7 | 7 | 6 |
| 16 | 10 | 2.158 | (12,1) | 1.312 | --bye-- |
| 17 | 10 | 2.165 | (12,1) | 1.319 | --bye-- |
| 18 | 8 | 2.197 | (12,1) | 1.351 | --bye-- |
| 19 | 10 | 2.128 | (12,2) | 1.414 | Oregon | 0 to 23 | 2 | 2 |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |