2018 Pac-12 Conference Leaders Opponent First Downs - Games vs. Non-Conference Teams Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | California | 4 | 40 | 19 | 7 | 66 | 16.5 |
| 2 | Utah | 4 | 24 | 24 | 4 | 52 | 13.0 |
| 3 | Colorado | 3 | 28 | 25 | 7 | 60 | 20.0 |
| 4 | Washington State | 4 | 34 | 28 | 7 | 69 | 17.3 |
| 5 | USC | 3 | 29 | 31 | 5 | 65 | 21.7 |
| 6 | UCLA | 3 | 28 | 33 | 8 | 69 | 23.0 |
| 7 | Arizona | 3 | 38 | 35 | 8 | 81 | 27.0 |
| 8 | Stanford | 4 | 33 | 37 | 3 | 73 | 18.3 |
| 9 | Oregon | 4 | 23 | 38 | 5 | 66 | 16.5 |
| 10 | Oregon State | 3 | 32 | 40 | 7 | 79 | 26.3 |
| 11 | Washington | 4 | 22 | 41 | 3 | 66 | 16.5 |
| 12 | Arizona State | 4 | 39 | 42 | 5 | 86 | 21.5 |