| 09/01/05 | hosting | Idaho | 38-26 |
| 09/09/05 | at | Nevada | 55-21 |
| 09/17/05 | vs. | Grambling State | 48-7 |
| 10/01/05 | at | Oregon State | 33-44 |
| 10/08/05 | hosting | Stanford | 21-24 |
| 10/15/05 | hosting | UCLA | 41-44 OT |
| 10/22/05 | at | California | 38-42 |
| 10/29/05 | at | Southern Cal | 13-55 |
| 11/05/05 | hosting | Arizona State | 24-27 |
| 11/12/05 | hosting | Oregon | 31-34 |
| 11/19/05 | at | Washington | 26-22 |