2021 Mountain West Conference Leaders Passing Defense - Games in October Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wyoming | 4 | 71 | 43 | 60.6 | 468 | 6.6 | 5 | 0 | 139.17 | 17.8 | 117.0 |
| 2 | New Mexico | 4 | 83 | 43 | 51.8 | 602 | 7.3 | 1 | 1 | 114.31 | 20.8 | 150.5 |
| 3 | Air Force | 4 | 100 | 59 | 59.0 | 653 | 6.5 | 3 | 2 | 119.75 | 25.0 | 163.3 |
| 4 | Colorado State | 4 | 104 | 53 | 51.0 | 656 | 6.3 | 7 | 4 | 118.47 | 26.0 | 164.0 |
| 5 | San Diego State | 4 | 120 | 59 | 49.2 | 728 | 6.1 | 2 | 3 | 100.63 | 30.0 | 182.0 |
| 6 | San Jose State | 5 | 148 | 96 | 64.9 | 1071 | 7.2 | 9 | 3 | 141.67 | 29.6 | 214.2 |
| 7 | Boise State | 4 | 116 | 71 | 61.2 | 900 | 7.8 | 3 | 1 | 133.20 | 29.0 | 225.0 |
| 8 | Fresno State | 4 | 156 | 86 | 55.1 | 982 | 6.3 | 7 | 7 | 113.85 | 39.0 | 245.5 |
| 9 | Utah State | 4 | 129 | 78 | 60.5 | 986 | 7.6 | 5 | 5 | 129.71 | 32.3 | 246.5 |
| 10 | UNLV | 4 | 139 | 99 | 71.2 | 1206 | 8.7 | 8 | 2 | 160.21 | 34.8 | 301.5 |
| 11 | Nevada | 5 | 227 | 147 | 64.8 | 1557 | 6.9 | 11 | 8 | 131.32 | 45.4 | 311.4 |
| 12 | Hawai'i | 4 | 192 | 108 | 56.3 | 1417 | 7.4 | 9 | 6 | 127.46 | 48.0 | 354.3 |