2021 Pac-12 Conference Leaders Passing Defense - Games Lost Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | USC | 8 | 195 | 140 | 71.8 | 1913 | 9.8 | 16 | 9 | 172.05 | 24.4 | 239.1 |
| 2 | California | 7 | 230 | 138 | 60.0 | 1530 | 6.7 | 14 | 7 | 129.88 | 32.9 | 218.6 |
| 3 | Arizona State | 5 | 121 | 77 | 63.6 | 925 | 7.6 | 9 | 6 | 142.49 | 24.2 | 185.0 |
| 4 | Arizona | 11 | 254 | 153 | 60.2 | 2187 | 8.6 | 25 | 4 | 161.89 | 23.1 | 198.8 |
| 4 | Washington State | 6 | 184 | 118 | 64.1 | 1246 | 6.8 | 7 | 4 | 129.21 | 30.7 | 207.7 |
| 4 | Oregon State | 6 | 197 | 134 | 68.0 | 1692 | 8.6 | 15 | 4 | 161.24 | 32.8 | 282.0 |
| 7 | Washington | 8 | 173 | 108 | 62.4 | 925 | 5.3 | 4 | 3 | 111.50 | 21.6 | 115.6 |
| 7 | Stanford | 9 | 233 | 153 | 65.7 | 2019 | 8.7 | 12 | 3 | 152.88 | 25.9 | 224.3 |
| 7 | Colorado | 8 | 228 | 149 | 65.4 | 1876 | 8.2 | 13 | 3 | 150.66 | 28.5 | 234.5 |
| 7 | UCLA | 4 | 139 | 98 | 70.5 | 1216 | 8.7 | 5 | 3 | 151.53 | 34.8 | 304.0 |
| 11 | Oregon | 4 | 105 | 66 | 62.9 | 820 | 7.8 | 7 | 2 | 146.65 | 26.3 | 205.0 |
| 12 | Utah | 4 | 115 | 79 | 68.7 | 974 | 8.5 | 12 | 1 | 172.55 | 28.8 | 243.5 |