| 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 | Bryant | 44 to 14 | 424 | 206 |
| 3 | 177 | 2.264 | (1,1) | 2.264 | Michigan | 7 to 35 | 119 | 2 |
| 4 | 64 | 1.765 | (2,1) | 1.432 | Vanderbilt | 40 to 37 | 175 | 147 |
| 5 | 35 | 1.917 | (3,1) | 1.417 | UTEP | 45 to 28 | 194 | 186 |
| 6 | 46 | 1.778 | (4,1) | 1.178 | Hawaii | 44 to 20 | 140 | 118 |
| 7 | 50 | 1.716 | (4,1) | 1.116 | --bye-- |
| 8 | 43 | 1.694 | (5,1) | 1.028 | Nevada | 45 to 27 | 201 | 190 |
| 9 | 39 | 1.703 | (6,1) | 0.989 | Colorado St | 25 to 23 | 113 | 128 |
| 10 | 44 | 1.683 | (6,2) | 1.183 | Fresno St | 24 to 31 | 30 | 58 |
| 11 | 47 | 1.663 | (7,2) | 1.107 | New Mexico | 56 to 14 | 163 | 146 |
| 12 | 34 | 1.777 | (8,2) | 1.177 | Wyoming | 34 to 14 | 47 | 33 |
| 13 | 29 | 1.832 | (9,2) | 1.196 | Air Force | 31 to 27 | 57 | 54 |
| 14 | 36 | 1.754 | (9,3) | 1.254 | San Jose St | 31 to 37 | 56 | 67 |
| 15 | 45 | 1.595 | (9,4) | 1.210 | Boise St | 20 to 44 | 40 | 46 |
| 16 | 44 | 1.589 | (9,4) | 1.205 | --bye-- |
| 17 | 45 | 1.573 | (9,4) | 1.189 | --bye-- |
| 18 | 47 | 1.530 | (9,5) | 1.244 | Kansas | 36 to 49 | 24 | 24 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |