| Date | Opponent | Score | Result | Opp. Rating | Impact |
|---|---|---|---|---|---|
| 03-Sep-05 | vs Air Force (90) | 17-20 | Lost | -0.7555 | -0.8594 |
| 10-Sep-05 | vs California (31) | 17-56 | Lost | 0.5957 | 0.0000 |
| 17-Sep-05 | vs Idaho (111) | 34-6 | Won | -1.8164 | 0.0796 |
| 24-Sep-05 | vs Notre Dame (6) | 17-36 | Lost | 1.5852 | 0.0000 |
| 01-Oct-05 | at UCLA (8) | 17-21 | Lost | 1.6403 | 0.0000 |
| 15-Oct-05 | at Oregon (5) | 21-45 | Lost | 1.9871 | 0.0000 |
| 22-Oct-05 | vs Southern Cal (2) | 24-51 | Lost | 2.7077 | 0.0000 |
| 29-Oct-05 | at Arizona St (26) | 20-44 | Lost | 0.9953 | 0.0000 |
| 05-Nov-05 | vs Oregon St (46) | 10-18 | Lost | 0.1035 | -0.0004 |
| 12-Nov-05 | at Arizona (73) | 38-14 | Won | -0.1358 | 1.0000 |
| 19-Nov-05 | vs Washington St (61) | 22-26 | Lost | -0.1557 | -0.2596 |
A red opponent rating indicates modification according to home field advantage (0.1322).