| 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 | SE Missouri St | 45 to 0 | 424 | 244 |
| 3 | 258 | 1.302 | (2,0) | 0.302 | Troy | 42 to 13 | 406 | 32 |
| 4 | 22 | 2.345 | (2,1) | 2.012 | Missouri | 27 to 30 | 3 | 8 |
| 5 | 13 | 2.384 | (3,1) | 1.884 | Central Florida | 44 to 31 | 32 | 71 |
| 6 | 17 | 2.222 | (3,1) | 1.722 | --bye-- |
| 7 | 56 | 1.624 | (3,2) | 1.424 | Oklahoma St | 21 to 29 | 75 | 19 |
| 8 | 33 | 1.849 | (4,2) | 1.516 | Texas Tech | 38 to 21 | 89 | 40 |
| 9 | 25 | 1.916 | (5,2) | 1.487 | TCU | 41 to 3 | 69 | 70 |
| 10 | 25 | 1.990 | (6,2) | 1.490 | Houston | 41 to 0 | 106 | 109 |
| 11 | 26 | 1.950 | (6,3) | 1.616 | Texas | 30 to 33 | 3 | 4 |
| 12 | 21 | 1.961 | (7,3) | 1.561 | Baylor | 59 to 25 | 116 | 133 |
| 13 | 15 | 2.030 | (8,3) | 1.575 | Kansas | 31 to 27 | 26 | 24 |
| 14 | 24 | 1.972 | (8,4) | 1.638 | Iowa St | 35 to 42 | 31 | 37 |
| 15 | 24 | 1.905 | (8,4) | 1.571 | --bye-- |
| 16 | 23 | 1.899 | (8,4) | 1.566 | --bye-- |
| 17 | 22 | 1.901 | (8,4) | 1.567 | --bye-- |
| 18 | 17 | 1.947 | (9,4) | 1.562 | North Carolina St | 28 to 19 | 29 | 29 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |