2018 Pac-12 Conference Leaders Passing Defense - Games in December/January Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Oregon | 1 | 40 | 22 | 55.0 | 172 | 4.3 | 0 | 1 | 86.12 | 40.0 | 172.0 |
| 2 | Arizona State | 1 | 29 | 15 | 51.7 | 176 | 6.1 | 0 | 2 | 88.91 | 29.0 | 176.0 |
| 3 | Utah | 1 | 30 | 21 | 70.0 | 241 | 8.0 | 2 | 1 | 152.81 | 30.0 | 241.0 |
| 4 | Washington | 1 | 37 | 25 | 67.6 | 251 | 6.8 | 3 | 0 | 151.32 | 37.0 | 251.0 |
| 5 | California | 2 | 50 | 26 | 52.0 | 265 | 5.3 | 1 | 4 | 87.12 | 25.0 | 132.5 |
| 6 | Washington State | 1 | 27 | 18 | 66.7 | 315 | 11.7 | 0 | 2 | 149.86 | 27.0 | 315.0 |
| 7 | Stanford | 2 | 68 | 33 | 48.5 | 333 | 4.9 | 1 | 2 | 88.63 | 34.0 | 166.5 |