2015 Mountain West Conference Leaders Opponent Penalties - Games in August/September Only through 01/11/2016
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Colorado State | 4 | 30 | 250 | 7.5 | 62.5 |
| 1 | Hawai'i | 4 | 28 | 250 | 7.0 | 62.5 |
| 3 | New Mexico | 4 | 29 | 229 | 7.3 | 57.3 |
| 4 | Utah State | 3 | 20 | 166 | 6.7 | 55.3 |
| 5 | Wyoming | 4 | 21 | 213 | 5.3 | 53.3 |
| 6 | Boise State | 4 | 26 | 208 | 6.5 | 52.0 |
| 7 | Air Force | 3 | 23 | 144 | 7.7 | 48.0 |
| 8 | UNLV | 4 | 22 | 186 | 5.5 | 46.5 |
| 8 | Nevada | 4 | 21 | 186 | 5.3 | 46.5 |
| 10 | San Diego State | 4 | 19 | 139 | 4.8 | 34.8 |
| 11 | Fresno State | 4 | 16 | 138 | 4.0 | 34.5 |
| 12 | San Jose State | 4 | 13 | 115 | 3.3 | 28.8 |