2017 Mountain West Conference Leaders Passing Defense - Games in December/January Only through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | San Diego State | 1 | 4 | 1 | 25.0 | 6 | 1.5 | 0 | 1 | -12.40 | 4.0 | 6.0 |
| 2 | Utah State | 1 | 54 | 29 | 53.7 | 191 | 3.5 | 1 | 2 | 82.11 | 54.0 | 191.0 |
| 3 | Colorado State | 1 | 32 | 17 | 53.1 | 262 | 8.2 | 2 | 2 | 130.04 | 32.0 | 262.0 |
| 4 | Wyoming | 1 | 43 | 26 | 60.5 | 346 | 8.0 | 1 | 4 | 117.14 | 43.0 | 346.0 |
| 5 | Boise State | 2 | 70 | 42 | 60.0 | 405 | 5.8 | 2 | 3 | 109.46 | 35.0 | 202.5 |
| 6 | Fresno State | 2 | 75 | 40 | 53.3 | 524 | 7.0 | 1 | 1 | 113.75 | 37.5 | 262.0 |