| 09/03/05 | hosting | Southern Cal | 17-63 |
| 09/10/05 | at | Michigan State | 14-42 |
| 09/24/05 | at | Idaho | 24-0 |
| 10/01/05 | hosting | Boise State | 41-44 |
| 10/08/05 | at | Louisiana Tech | 14-46 |
| 10/15/05 | hosting | New Mexico State | 49-28 |
| 10/22/05 | at | San José St | 45-38 |
| 10/29/05 | hosting | Fresno State | 13-27 |
| 11/05/05 | at | Nevada | 28-38 |
| 11/12/05 | hosting | Utah State | 50-23 |
| 11/25/05 | hosting | Wisconsin | 24-41 |
| 12/03/05 | hosting | San Diego State | 49-38 |