2017 Mountain West Conference Leaders Passing Defense - Games in October Only through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fresno State | 4 | 108 | 58 | 53.7 | 555 | 5.1 | 1 | 3 | 94.37 | 27.0 | 138.8 |
| 2 | Wyoming | 3 | 88 | 48 | 54.5 | 478 | 5.4 | 2 | 8 | 89.50 | 29.3 | 159.3 |
| 3 | San Diego State | 4 | 100 | 55 | 55.0 | 638 | 6.4 | 2 | 0 | 115.19 | 25.0 | 159.5 |
| 4 | UNLV | 4 | 88 | 54 | 61.4 | 719 | 8.2 | 2 | 0 | 137.49 | 22.0 | 179.8 |
| 5 | Boise State | 4 | 125 | 62 | 49.6 | 729 | 5.8 | 3 | 4 | 100.11 | 31.3 | 182.3 |
| 6 | Air Force | 4 | 105 | 51 | 48.6 | 767 | 7.3 | 7 | 4 | 124.31 | 26.3 | 191.8 |
| 7 | Colorado State | 4 | 99 | 52 | 52.5 | 853 | 8.6 | 8 | 1 | 149.55 | 24.8 | 213.3 |
| 8 | San Jose State | 3 | 88 | 49 | 55.7 | 645 | 7.3 | 5 | 1 | 133.73 | 29.3 | 215.0 |
| 9 | Nevada | 3 | 71 | 48 | 67.6 | 654 | 9.2 | 6 | 2 | 167.24 | 23.7 | 218.0 |
| 10 | Utah State | 4 | 121 | 77 | 63.6 | 956 | 7.9 | 8 | 3 | 146.87 | 30.3 | 239.0 |
| 11 | Hawai'i | 3 | 78 | 52 | 66.7 | 762 | 9.8 | 7 | 3 | 170.65 | 26.0 | 254.0 |
| 12 | New Mexico | 3 | 84 | 46 | 54.8 | 764 | 9.1 | 9 | 0 | 166.52 | 28.0 | 254.7 |