| 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 | Akron | 10 to 0 | 518 | 183 |
| 2 | 64 | 1.515 | (2,0) | 0.515 | Northern Iowa | 31 to 7 | 148 | 229 |
| 3 | 171 | 0.729 | (2,1) | 0.396 | Utah | 6 to 31 | 88 | 12 |
| 4 | 137 | 0.938 | (2,2) | 0.938 | Colorado | 20 to 37 | 26 | 96 |
| 5 | 121 | 1.079 | (2,2) | 1.079 | --bye-- |
| 6 | 134 | 0.952 | (2,3) | 1.152 | UNLV | 17 to 31 | 49 | 53 |
| 7 | 98 | 1.220 | (3,3) | 1.220 | San Jose St | 35 to 28 | 180 | 168 |
| 8 | 128 | 0.931 | (3,4) | 1.074 | Air Force | 21 to 24 | 138 | 145 |
| 9 | 110 | 1.071 | (4,4) | 1.071 | Colorado St | 28 to 0 | 151 | 172 |
| 10 | 120 | 0.999 | (4,5) | 1.111 | San Diego St | 7 to 24 | 48 | 59 |
| 11 | 125 | 0.976 | (4,5) | 1.087 | --bye-- |
| 12 | 136 | 0.927 | (4,6) | 1.127 | Fresno St | 3 to 24 | 74 | 76 |
| 13 | 152 | 0.782 | (4,7) | 1.055 | Nevada | 7 to 13 | 165 | 161 |
| 14 | 156 | 0.728 | (4,8) | 1.061 | Hawaii | 7 to 27 | 72 | 64 |
| 15 | 151 | 0.733 | (4,8) | 1.066 | --bye-- |
| 16 | 153 | 0.719 | (4,8) | 1.052 | --bye-- |
| 17 | 153 | 0.718 | (4,8) | 1.052 | --bye-- |
| 18 | 154 | 0.717 | (4,8) | 1.050 | --bye-- |
| 19 | 155 | 0.715 | (4,8) | 1.048 | --bye-- |
| 20 | 155 | 0.711 | (4,8) | 1.044 | --bye-- |
| 21 | 155 | 0.711 | (4,8) | 1.044 | --bye-- |