2018 Mountain West Conference Leaders Passing Defense - On 4th Down through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | TD | Int | Rating | Long | 1st | 15+ | 25+ | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Colorado State | 4 | 7 | 3 | 42.9 | 31 | 1 | 1 | 98.63 | 17 | 2 | 1 | 0 |
| 1 | Utah State | 8 | 14 | 4 | 28.6 | 91 | 2 | 1 | 116.02 | 54 | 4 | 2 | 1 |
| 3 | San Diego State | 5 | 5 | 2 | 40.0 | 16 | 0 | 0 | 66.88 | 9 | 2 | 0 | 0 |
| 3 | New Mexico | 3 | 4 | 1 | 25.0 | 20 | 1 | 0 | 149.50 | 20 | 1 | 1 | 0 |
| 3 | Wyoming | 4 | 5 | 2 | 40.0 | 32 | 0 | 0 | 93.76 | 23 | 2 | 1 | 0 |
| 3 | Fresno State | 9 | 13 | 8 | 61.5 | 40 | 0 | 0 | 87.39 | 9 | 6 | 0 | 0 |
| 3 | Air Force | 5 | 7 | 3 | 42.9 | 52 | 1 | 0 | 152.40 | 35 | 3 | 1 | 1 |
| 3 | UNLV | 3 | 6 | 3 | 50.0 | 64 | 1 | 0 | 194.60 | 24 | 3 | 3 | 0 |
| 3 | Boise State | 6 | 7 | 4 | 57.1 | 66 | 1 | 0 | 183.48 | 33 | 4 | 2 | 1 |
| 3 | Hawai'i | 7 | 8 | 7 | 87.5 | 147 | 3 | 0 | 365.60 | 31 | 7 | 4 | 3 |
| 3 | Nevada | 10 | 19 | 7 | 36.8 | 149 | 2 | 0 | 137.45 | 38 | 7 | 4 | 3 |
| 3 | San Jose State | 7 | 12 | 9 | 75.0 | 166 | 2 | 0 | 246.20 | 36 | 9 | 5 | 1 |
| 1st: First Downs; 15+: Pass completions of 15 or more yards; 25+: Pass completions of 25 or more yards | |||||||||||||