2017 Pac-12 Conference Leaders Passing Defense - Games in August/September Only through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Utah | 4 | 147 | 76 | 51.7 | 838 | 5.7 | 4 | 9 | 96.33 | 36.8 | 209.5 |
| 2 | Washington | 5 | 154 | 97 | 63.0 | 769 | 5.0 | 3 | 8 | 100.98 | 30.8 | 153.8 |
| 2 | USC | 5 | 194 | 104 | 53.6 | 1207 | 6.2 | 8 | 8 | 111.23 | 38.8 | 241.4 |
| 4 | Oregon | 5 | 196 | 101 | 51.5 | 1186 | 6.1 | 8 | 7 | 108.69 | 39.2 | 237.2 |
| 4 | Stanford | 5 | 164 | 108 | 65.9 | 1273 | 7.8 | 9 | 7 | 140.62 | 32.8 | 254.6 |
| 4 | California | 5 | 193 | 119 | 61.7 | 1369 | 7.1 | 7 | 7 | 125.96 | 38.6 | 273.8 |
| 7 | Washington State | 5 | 136 | 77 | 56.6 | 733 | 5.4 | 3 | 6 | 100.36 | 27.2 | 146.6 |
| 7 | Colorado | 5 | 168 | 91 | 54.2 | 1170 | 7.0 | 5 | 6 | 115.35 | 33.6 | 234.0 |
| 9 | Arizona | 4 | 149 | 87 | 58.4 | 1032 | 6.9 | 3 | 5 | 116.50 | 37.3 | 258.0 |
| 10 | Oregon State | 5 | 167 | 117 | 70.1 | 1440 | 8.6 | 15 | 4 | 167.34 | 33.4 | 288.0 |
| 11 | UCLA | 5 | 170 | 89 | 52.4 | 1112 | 6.5 | 11 | 3 | 125.11 | 34.0 | 222.4 |
| 12 | Arizona State | 5 | 185 | 120 | 64.9 | 1468 | 7.9 | 14 | 2 | 154.33 | 37.0 | 293.6 |