2021 Mountain West 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 | Air Force | 3 | 76 | 50 | 65.8 | 734 | 9.7 | 6 | 1 | 170.34 | 25.3 | 244.7 |
| 2 | Fresno State | 3 | 79 | 41 | 51.9 | 571 | 7.2 | 4 | 1 | 126.80 | 26.3 | 190.3 |
| 3 | Utah State | 3 | 83 | 55 | 66.3 | 774 | 9.3 | 5 | 2 | 159.66 | 27.7 | 258.0 |
| 4 | San Diego State | 2 | 86 | 54 | 62.8 | 624 | 7.3 | 5 | 1 | 140.60 | 43.0 | 312.0 |
| 5 | Nevada | 5 | 104 | 65 | 62.5 | 746 | 7.2 | 6 | 1 | 139.87 | 20.8 | 149.2 |
| 6 | Boise State | 5 | 129 | 77 | 59.7 | 1004 | 7.8 | 6 | 2 | 137.32 | 25.8 | 200.8 |
| 7 | Wyoming | 6 | 134 | 85 | 63.4 | 1016 | 7.6 | 9 | 1 | 147.79 | 22.3 | 169.3 |
| 8 | New Mexico | 9 | 229 | 137 | 59.8 | 2062 | 9.0 | 16 | 4 | 155.03 | 25.4 | 229.1 |
| 9 | Hawai'i | 7 | 230 | 139 | 60.4 | 1757 | 7.6 | 11 | 3 | 137.78 | 32.9 | 251.0 |
| 10 | San Jose State | 7 | 243 | 159 | 65.4 | 1783 | 7.3 | 16 | 3 | 146.32 | 34.7 | 254.7 |
| 11 | Colorado State | 9 | 250 | 154 | 61.6 | 2093 | 8.4 | 21 | 3 | 157.24 | 27.8 | 232.6 |
| 12 | UNLV | 10 | 304 | 219 | 72.0 | 2634 | 8.7 | 24 | 7 | 166.26 | 30.4 | 263.4 |