2018 Pac-12 Conference Leaders Opponent First Downs - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | California | 9 | 66 | 84 | 11 | 161 | 17.9 |
| 2 | Washington State | 9 | 67 | 90 | 29 | 186 | 20.7 |
| 3 | Colorado | 9 | 71 | 92 | 21 | 184 | 20.4 |
| 4 | Oregon State | 9 | 123 | 93 | 11 | 227 | 25.2 |
| 5 | Washington | 10 | 66 | 94 | 11 | 171 | 17.1 |
| 6 | Arizona State | 9 | 90 | 95 | 21 | 206 | 22.9 |
| 7 | USC | 9 | 65 | 97 | 19 | 181 | 20.1 |
| 8 | UCLA | 9 | 93 | 102 | 17 | 212 | 23.6 |
| 9 | Utah | 10 | 58 | 104 | 24 | 186 | 18.6 |
| 10 | Oregon | 9 | 79 | 109 | 18 | 206 | 22.9 |
| 11 | Arizona | 9 | 64 | 111 | 28 | 203 | 22.6 |
| 12 | Stanford | 9 | 70 | 117 | 12 | 199 | 22.1 |