2018 Pac-12 Conference Leaders Opponent First Downs - Games vs. FBS non-Power 5 Conference Teams Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Washington | 1 | 1 | 6 | 0 | 7 | 7.0 |
| 2 | Oregon State | 1 | 6 | 10 | 1 | 17 | 17.0 |
| 2 | California | 1 | 8 | 9 | 0 | 17 | 17.0 |
| 4 | Colorado | 1 | 8 | 10 | 2 | 20 | 20.0 |
| 5 | Washington State | 2 | 12 | 9 | 3 | 24 | 12.0 |
| 6 | Utah | 2 | 17 | 14 | 1 | 32 | 16.0 |
| 7 | Oregon | 2 | 9 | 25 | 3 | 37 | 18.5 |
| 8 | Stanford | 2 | 18 | 21 | 1 | 40 | 20.0 |
| 8 | USC | 2 | 19 | 20 | 1 | 40 | 20.0 |
| 10 | UCLA | 2 | 19 | 19 | 4 | 42 | 21.0 |
| 11 | Arizona | 2 | 25 | 23 | 3 | 51 | 25.5 |
| 12 | Arizona State | 3 | 34 | 25 | 4 | 63 | 21.0 |