2018 Mountain West Conference Leaders Opponent First Downs - Games in December/January Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Utah State | 1 | 11 | 6 | 2 | 19 | 19.0 |
| 2 | Boise State | 1 | 4 | 8 | 2 | 14 | 14.0 |
| 3 | San Diego State | 1 | 10 | 10 | 1 | 21 | 21.0 |
| 4 | Hawai'i | 1 | 8 | 11 | 2 | 21 | 21.0 |
| 5 | Fresno State | 2 | 25 | 13 | 2 | 40 | 20.0 |
| 5 | Nevada | 1 | 9 | 13 | 3 | 25 | 25.0 |