2021 Pac-12 Conference Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arizona | 8 | 185 | 106 | 57.3 | 1391 | 7.5 | 16 | 4 | 144.68 | 23.1 | 173.9 |
| 2 | USC | 9 | 241 | 152 | 63.1 | 2107 | 8.7 | 14 | 11 | 146.55 | 26.8 | 234.1 |
| 3 | Stanford | 9 | 257 | 158 | 61.5 | 1912 | 7.4 | 13 | 4 | 137.56 | 28.6 | 212.4 |
| 4 | Washington | 10 | 282 | 177 | 62.8 | 1573 | 5.6 | 5 | 9 | 109.10 | 28.2 | 157.3 |
| 5 | Utah | 9 | 299 | 184 | 61.5 | 1968 | 6.6 | 11 | 7 | 124.29 | 33.2 | 218.7 |
| 6 | Arizona State | 11 | 321 | 192 | 59.8 | 2069 | 6.4 | 8 | 12 | 114.69 | 29.2 | 188.1 |
| 7 | Washington State | 9 | 332 | 191 | 57.5 | 2180 | 6.6 | 14 | 14 | 118.17 | 36.9 | 242.2 |
| 8 | Oregon State | 10 | 336 | 204 | 60.7 | 2351 | 7.0 | 16 | 13 | 127.45 | 33.6 | 235.1 |
| 9 | Colorado | 10 | 344 | 207 | 60.2 | 2417 | 7.0 | 11 | 7 | 125.67 | 34.4 | 241.7 |
| 10 | Oregon | 10 | 364 | 215 | 59.1 | 2306 | 6.3 | 15 | 14 | 118.19 | 36.4 | 230.6 |
| 11 | UCLA | 10 | 379 | 232 | 61.2 | 2647 | 7.0 | 14 | 10 | 126.79 | 37.9 | 264.7 |
| 12 | California | 11 | 383 | 222 | 58.0 | 2510 | 6.6 | 19 | 13 | 122.59 | 34.8 | 228.2 |