| 09/03/05 | hosting | UCLA | 21-44 |
| 09/10/05 | at | Air Force | 29-41 |
| 09/17/05 | at | Ohio State | 6-27 |
| 09/24/05 | hosting | San José St | 52-21 |
| 10/01/05 | hosting | Brigham Young | 31-10 |
| 10/08/05 | at | UNLV | 10-13 |
| 10/15/05 | at | Utah | 28-19 |
| 10/22/05 | hosting | New Mexico | 24-47 |
| 10/29/05 | hosting | TCU | 20-23 |
| 11/12/05 | at | Colorado State | 30-10 |
| 11/19/05 | hosting | Wyoming | 34-21 |
| 12/03/05 | at | Hawai`i | 38-49 |