| 09/03/05 | hosting | Sacramento State | 41-3 |
| 09/10/05 | at | Washington | 56-17 |
| 09/17/05 | hosting | Illinois | 35-20 |
| 09/23/05 | at | New Mexico State | 41-13 |
| 10/01/05 | hosting | Arizona | 28-0 |
| 10/08/05 | at | UCLA | 40-47 |
| 10/15/05 | hosting | Oregon State | 20-23 |
| 10/22/05 | hosting | Washington State | 42-38 |
| 11/05/05 | at | Oregon | 20-27 OT |
| 11/12/05 | hosting | Southern Cal | 10-35 |
| 11/19/05 | at | Stanford | 27-3 |
| 12/22/05 | vs. | Brigham Young | 35-28 |