2018 Mountain West Conference Leaders Passing Defense - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fresno State | 2 | 61 | 39 | 63.9 | 394 | 6.5 | 2 | 1 | 125.73 | 30.5 | 197.0 |
| 2 | Colorado State | 3 | 66 | 46 | 69.7 | 610 | 9.2 | 7 | 1 | 179.30 | 22.0 | 203.3 |
| 3 | San Diego State | 2 | 68 | 39 | 57.4 | 445 | 6.5 | 1 | 3 | 108.35 | 34.0 | 222.5 |
| 4 | Hawai'i | 3 | 72 | 51 | 70.8 | 685 | 9.5 | 5 | 0 | 173.67 | 24.0 | 228.3 |
| 5 | Wyoming | 4 | 160 | 101 | 63.1 | 1004 | 6.3 | 7 | 2 | 127.78 | 40.0 | 251.0 |
| 6 | Air Force | 3 | 79 | 51 | 64.6 | 809 | 10.2 | 7 | 0 | 179.82 | 26.3 | 269.7 |
| 7 | Nevada | 2 | 66 | 48 | 72.7 | 540 | 8.2 | 4 | 3 | 152.37 | 33.0 | 270.0 |
| 8 | Boise State | 3 | 114 | 73 | 64.0 | 816 | 7.2 | 5 | 1 | 136.89 | 38.0 | 272.0 |
| 9 | Utah State | 1 | 32 | 23 | 71.9 | 310 | 9.7 | 1 | 0 | 163.57 | 32.0 | 310.0 |
| 10 | San Jose State | 4 | 138 | 92 | 66.7 | 1301 | 9.4 | 11 | 3 | 167.82 | 34.5 | 325.3 |
| 11 | UNLV | 2 | 66 | 48 | 72.7 | 651 | 9.9 | 7 | 1 | 187.56 | 33.0 | 325.5 |
| 12 | New Mexico | 3 | 99 | 67 | 67.7 | 1018 | 10.3 | 10 | 0 | 187.39 | 33.0 | 339.3 |