2021 Pac-12 Conference Leaders Passing Defense - Games vs. Conference Teams Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Washington | 9 | 230 | 153 | 66.5 | 1346 | 5.9 | 6 | 9 | 116.46 | 25.6 | 149.6 |
| 2 | Washington State | 9 | 293 | 175 | 59.7 | 1925 | 6.6 | 12 | 12 | 120.25 | 32.6 | 213.9 |
| 3 | Oregon | 10 | 340 | 200 | 58.8 | 2225 | 6.5 | 15 | 13 | 120.70 | 34.0 | 222.5 |
| 4 | Utah | 10 | 325 | 193 | 59.4 | 2133 | 6.6 | 11 | 8 | 120.77 | 32.5 | 213.3 |
| 5 | Arizona State | 9 | 289 | 176 | 60.9 | 1966 | 6.8 | 9 | 10 | 121.41 | 32.1 | 218.4 |
| 6 | California | 9 | 286 | 174 | 60.8 | 1800 | 6.3 | 13 | 10 | 121.72 | 31.8 | 200.0 |
| 7 | UCLA | 9 | 292 | 185 | 63.4 | 2094 | 7.2 | 9 | 8 | 128.29 | 32.4 | 232.7 |
| 8 | Colorado | 9 | 304 | 193 | 63.5 | 2317 | 7.6 | 15 | 8 | 138.53 | 33.8 | 257.4 |
| 9 | Stanford | 9 | 251 | 158 | 62.9 | 1943 | 7.7 | 11 | 3 | 140.04 | 27.9 | 215.9 |
| 10 | Oregon State | 9 | 284 | 183 | 64.4 | 2130 | 7.5 | 16 | 8 | 140.40 | 31.6 | 236.7 |
| 11 | Arizona | 9 | 219 | 123 | 56.2 | 1799 | 8.2 | 20 | 2 | 153.48 | 24.3 | 199.9 |
| 12 | USC | 9 | 223 | 150 | 67.3 | 2105 | 9.4 | 17 | 9 | 163.65 | 24.8 | 233.9 |