2018 Pac-12 Conference Leaders Opponent First Downs - Games in December/January Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Utah | 1 | 5 | 10 | 2 | 17 | 17.0 |
| 2 | Washington | 1 | 7 | 14 | 1 | 22 | 22.0 |
| 3 | Oregon | 1 | 10 | 9 | 0 | 19 | 19.0 |
| 4 | Arizona State | 1 | 11 | 7 | 0 | 18 | 18.0 |
| 4 | Washington State | 1 | 11 | 10 | 1 | 22 | 22.0 |
| 6 | California | 2 | 19 | 12 | 1 | 32 | 16.0 |
| 6 | Stanford | 2 | 19 | 14 | 3 | 36 | 18.0 |