2018 Mountain West Conference Leaders Opponent First Downs - Games Lost Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Boise State | 3 | 18 | 21 | 3 | 42 | 14.0 |
| 2 | Utah State | 2 | 16 | 22 | 5 | 43 | 21.5 |
| 3 | Fresno State | 2 | 19 | 23 | 2 | 44 | 22.0 |
| 4 | Nevada | 5 | 44 | 54 | 8 | 106 | 21.2 |
| 5 | San Diego State | 6 | 38 | 63 | 11 | 112 | 18.7 |
| 6 | Hawai'i | 6 | 73 | 64 | 6 | 143 | 23.8 |
| 7 | Wyoming | 6 | 53 | 70 | 10 | 133 | 22.2 |
| 8 | Air Force | 7 | 49 | 85 | 5 | 139 | 19.9 |
| 9 | UNLV | 8 | 79 | 95 | 9 | 183 | 22.9 |
| 9 | Colorado State | 9 | 104 | 95 | 11 | 210 | 23.3 |
| 11 | New Mexico | 9 | 118 | 100 | 12 | 230 | 25.6 |
| 12 | San Jose State | 11 | 120 | 124 | 20 | 264 | 24.0 |