2021 Pac-12 Conference Leaders Passing Defense - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Washington | 2 | 35 | 17 | 48.6 | 142 | 4.1 | 1 | 1 | 86.37 | 17.5 | 71.0 |
| 2 | Washington State | 4 | 102 | 69 | 67.6 | 638 | 6.3 | 2 | 1 | 124.70 | 25.5 | 159.5 |
| 3 | Stanford | 3 | 84 | 54 | 64.3 | 667 | 7.9 | 2 | 2 | 134.09 | 28.0 | 222.3 |
| 4 | Arizona | 4 | 98 | 58 | 59.2 | 890 | 9.1 | 9 | 0 | 165.78 | 24.5 | 222.5 |
| 5 | Utah | 5 | 155 | 95 | 61.3 | 1144 | 7.4 | 11 | 3 | 142.84 | 31.0 | 228.8 |
| 6 | Arizona State | 2 | 61 | 37 | 60.7 | 464 | 7.6 | 5 | 4 | 138.50 | 30.5 | 232.0 |
| 7 | UCLA | 2 | 66 | 46 | 69.7 | 475 | 7.2 | 1 | 2 | 129.09 | 33.0 | 237.5 |
| 8 | California | 1 | 28 | 20 | 71.4 | 244 | 8.7 | 1 | 0 | 156.41 | 28.0 | 244.0 |
| 9 | Colorado | 2 | 59 | 40 | 67.8 | 491 | 8.3 | 6 | 2 | 164.48 | 29.5 | 245.5 |
| 10 | USC | 3 | 90 | 64 | 71.1 | 795 | 8.8 | 6 | 3 | 160.64 | 30.0 | 265.0 |
| 11 | Oregon | 4 | 123 | 81 | 65.9 | 1074 | 8.7 | 7 | 3 | 153.10 | 30.8 | 268.5 |
| 12 | Oregon State | 3 | 95 | 63 | 66.3 | 815 | 8.6 | 6 | 2 | 155.01 | 31.7 | 271.7 |