2021 Mountain West 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 | Air Force | 11 | 279 | 150 | 53.8 | 1998 | 7.2 | 10 | 7 | 120.72 | 25.4 | 181.6 |
| 1 | Boise State | 8 | 205 | 125 | 61.0 | 1601 | 7.8 | 10 | 10 | 132.92 | 25.6 | 200.1 |
| 3 | New Mexico | 10 | 301 | 166 | 55.1 | 2184 | 7.3 | 14 | 9 | 125.47 | 30.1 | 218.4 |
| 3 | Utah State | 12 | 372 | 231 | 62.1 | 2812 | 7.6 | 14 | 12 | 131.57 | 31.0 | 234.3 |
| 5 | Fresno State | 11 | 345 | 180 | 52.2 | 2467 | 7.2 | 15 | 9 | 121.37 | 31.4 | 224.3 |
| 6 | San Jose State | 10 | 344 | 221 | 64.2 | 2400 | 7.0 | 17 | 5 | 136.25 | 34.4 | 240.0 |
| 7 | Nevada | 12 | 402 | 249 | 61.9 | 2700 | 6.7 | 18 | 14 | 126.16 | 33.5 | 225.0 |
| 7 | San Diego State | 12 | 446 | 248 | 55.6 | 2826 | 6.3 | 18 | 15 | 115.42 | 37.2 | 235.5 |
| 9 | Wyoming | 12 | 336 | 201 | 59.8 | 2286 | 6.8 | 19 | 9 | 130.27 | 28.0 | 190.5 |
| 9 | Colorado State | 10 | 282 | 162 | 57.4 | 2076 | 7.4 | 19 | 4 | 138.69 | 28.2 | 207.6 |
| 11 | Hawai'i | 11 | 458 | 255 | 55.7 | 3261 | 7.1 | 20 | 14 | 123.79 | 41.6 | 296.5 |
| 12 | UNLV | 10 | 286 | 200 | 69.9 | 2363 | 8.3 | 21 | 7 | 158.66 | 28.6 | 236.3 |