2017 Pac-12 Conference Leaders Passing Defense - Games Lost Only through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UCLA | 7 | 155 | 99 | 63.9 | 1380 | 8.9 | 14 | 5 | 162.02 | 22.1 | 197.1 |
| 2 | Washington State | 4 | 94 | 55 | 58.5 | 840 | 8.9 | 6 | 2 | 150.37 | 23.5 | 210.0 |
| 3 | Oregon State | 11 | 316 | 213 | 67.4 | 2624 | 8.3 | 27 | 5 | 162.20 | 28.7 | 238.5 |
| 4 | California | 7 | 206 | 145 | 70.4 | 1666 | 8.1 | 13 | 4 | 155.27 | 29.4 | 238.0 |
| 5 | Arizona | 6 | 177 | 120 | 67.8 | 1559 | 8.8 | 12 | 6 | 157.38 | 29.5 | 259.8 |
| 6 | USC | 3 | 90 | 54 | 60.0 | 574 | 6.4 | 4 | 1 | 126.03 | 30.0 | 191.3 |
| 7 | Colorado | 7 | 215 | 125 | 58.1 | 1610 | 7.5 | 10 | 2 | 134.53 | 30.7 | 230.0 |
| 8 | Stanford | 5 | 168 | 121 | 72.0 | 1506 | 9.0 | 13 | 5 | 166.91 | 33.6 | 301.2 |
| 9 | Arizona State | 6 | 202 | 130 | 64.4 | 1793 | 8.9 | 13 | 1 | 159.17 | 33.7 | 298.8 |
| 10 | Oregon | 6 | 207 | 124 | 59.9 | 1724 | 8.3 | 14 | 4 | 148.32 | 34.5 | 287.3 |
| 11 | Washington | 3 | 109 | 77 | 70.6 | 798 | 7.3 | 2 | 2 | 134.53 | 36.3 | 266.0 |
| 12 | Utah | 6 | 220 | 135 | 61.4 | 1420 | 6.5 | 10 | 3 | 127.85 | 36.7 | 236.7 |