| 09/09/05 | hosting | Washington State | 21-55 |
| 09/17/05 | hosting | UNLV | 22-14 |
| 09/24/05 | at | Colorado State | 21-42 |
| 10/01/05 | at | San José St | 30-23 |
| 10/08/05 | hosting | Idaho | 62-14 |
| 10/15/05 | hosting | Louisiana Tech | 37-27 |
| 10/29/05 | at | Boise State | 14-49 |
| 11/05/05 | hosting | Hawai`i | 38-28 |
| 11/12/05 | at | New Mexico State | 48-24 |
| 11/19/05 | at | Utah State | 30-24 |
| 11/26/05 | hosting | Fresno State | 38-35 |
| 12/24/05 | vs. | Central Florida | 49-48 OT |