2015 Pac-12 Conference Leaders Opponent First Downs - Games vs. FBS Teams With Non-Winning Record Only through 01/11/2016
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Washington | 3 | 13 | 24 | 3 | 40 | 13.3 |
| 2 | Stanford | 3 | 16 | 28 | 6 | 50 | 16.7 |
| 3 | Utah | 5 | 27 | 51 | 6 | 84 | 16.8 |
| 4 | Oregon State | 2 | 18 | 15 | 1 | 34 | 17.0 |
| 5 | Colorado | 4 | 27 | 36 | 9 | 72 | 18.0 |
| 6 | Arizona State | 1 | 5 | 13 | 1 | 19 | 19.0 |
| 7 | USC | 3 | 21 | 39 | 6 | 66 | 22.0 |
| 7 | Washington State | 5 | 49 | 57 | 4 | 110 | 22.0 |
| 7 | UCLA | 6 | 61 | 57 | 14 | 132 | 22.0 |
| 10 | Arizona | 4 | 34 | 47 | 9 | 90 | 22.5 |
| 11 | Oregon | 4 | 41 | 51 | 8 | 100 | 25.0 |
| 12 | California | 3 | 30 | 40 | 7 | 77 | 25.7 |