2018 Pac-12 Conference Leaders First Downs - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Washington | 2 | 23 | 21 | 3 | 47 | 23.5 |
| 2 | Oregon | 2 | 16 | 24 | 5 | 45 | 22.5 |
| 3 | USC | 3 | 15 | 39 | 9 | 63 | 21.0 |
| 3 | Arizona | 1 | 7 | 12 | 2 | 21 | 21.0 |
| 5 | Stanford | 3 | 10 | 38 | 11 | 59 | 19.7 |
| 6 | Oregon State | 3 | 25 | 29 | 3 | 57 | 19.0 |
| 7 | UCLA | 4 | 26 | 39 | 4 | 69 | 17.3 |
| 8 | Arizona State | 2 | 20 | 12 | 2 | 34 | 17.0 |
| 8 | California | 2 | 12 | 16 | 6 | 34 | 17.0 |
| 10 | Utah | 4 | 25 | 32 | 7 | 64 | 16.0 |
| 11 | Washington State | 1 | 6 | 8 | 1 | 15 | 15.0 |
| 12 | Colorado | 2 | 8 | 18 | 1 | 27 | 13.5 |