2019 Mountain West Conference Leaders Passing Defense - Games in August/September Only through 01/13/2020
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Boise State | 4 | 89 | 52 | 58.4 | 629 | 7.1 | 5 | 2 | 131.84 | 22.3 | 157.3 |
| 2 | Air Force | 4 | 131 | 81 | 61.8 | 846 | 6.5 | 7 | 2 | 130.67 | 32.8 | 211.5 |
| 3 | UNLV | 4 | 116 | 64 | 55.2 | 868 | 7.5 | 7 | 1 | 136.22 | 29.0 | 217.0 |
| 4 | San Diego State | 4 | 155 | 101 | 65.2 | 910 | 5.9 | 2 | 3 | 114.87 | 38.8 | 227.5 |
| 5 | San Jose State | 4 | 132 | 80 | 60.6 | 947 | 7.2 | 6 | 7 | 125.26 | 33.0 | 236.8 |
| 6 | Fresno State | 4 | 153 | 95 | 62.1 | 949 | 6.2 | 7 | 5 | 122.76 | 38.3 | 237.3 |
| 7 | Colorado State | 5 | 140 | 78 | 55.7 | 1003 | 7.2 | 9 | 2 | 134.25 | 28.0 | 200.6 |
| 8 | Utah State | 4 | 156 | 87 | 55.8 | 1054 | 6.8 | 6 | 2 | 122.65 | 39.0 | 263.5 |
| 9 | Hawai'i | 5 | 182 | 103 | 56.6 | 1084 | 6.0 | 8 | 5 | 115.64 | 36.4 | 216.8 |
| 10 | Nevada | 5 | 162 | 109 | 67.3 | 1377 | 8.5 | 17 | 6 | 165.90 | 32.4 | 275.4 |
| 11 | New Mexico | 4 | 170 | 106 | 62.4 | 1518 | 8.9 | 13 | 1 | 161.41 | 42.5 | 379.5 |
| 12 | Wyoming | 5 | 230 | 127 | 55.2 | 1644 | 7.1 | 6 | 6 | 118.65 | 46.0 | 328.8 |