2017 Mountain West Conference Leaders Opponent Penalties - Games in December/January Only through 01/08/2018
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Colorado State | 1 | 11 | 107 | 11.0 | 107.0 |
| 2 | Boise State | 2 | 18 | 152 | 9.0 | 76.0 |
| 3 | Wyoming | 1 | 7 | 61 | 7.0 | 61.0 |
| 4 | Fresno State | 2 | 15 | 114 | 7.5 | 57.0 |
| 5 | San Diego State | 1 | 4 | 47 | 4.0 | 47.0 |
| 6 | Utah State | 1 | 4 | 45 | 4.0 | 45.0 |