2018 Mountain West Conference Leaders Passing Defense - Games in December/January Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | San Diego State | 1 | 22 | 10 | 45.5 | 206 | 9.4 | 1 | 1 | 130.03 | 22.0 | 206.0 |
| 2 | Utah State | 1 | 34 | 17 | 50.0 | 193 | 5.7 | 1 | 4 | 83.86 | 34.0 | 193.0 |
| 3 | Hawai'i | 1 | 31 | 19 | 61.3 | 285 | 9.2 | 1 | 1 | 142.72 | 31.0 | 285.0 |
| 4 | Boise State | 1 | 32 | 20 | 62.5 | 170 | 5.3 | 1 | 0 | 117.44 | 32.0 | 170.0 |
| 5 | Nevada | 1 | 46 | 26 | 56.5 | 275 | 6.0 | 0 | 3 | 93.70 | 46.0 | 275.0 |
| 6 | Fresno State | 2 | 62 | 34 | 54.8 | 254 | 4.1 | 2 | 2 | 93.45 | 31.0 | 127.0 |