2018 Mountain West Conference Leaders Total Defense - Games vs. Unranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Rush Yards | Pass Yards | Plays | Total Yards | Yards/Play | Yards/G | |
|---|---|---|---|---|---|---|---|---|
| 1 | Wyoming | 8 | 1073 | 1356 | 525 | 2429 | 4.63 | 303.6 |
| 2 | Air Force | 9 | 907 | 2119 | 537 | 3026 | 5.64 | 336.2 |
| 3 | Boise State | 10 | 1311 | 2213 | 626 | 3524 | 5.63 | 352.4 |
| 4 | Colorado State | 9 | 2121 | 2174 | 638 | 4295 | 6.73 | 477.2 |
| 5 | San Jose State | 8 | 1577 | 2106 | 645 | 3683 | 5.71 | 460.4 |
| 6 | New Mexico | 9 | 2036 | 2054 | 666 | 4090 | 6.14 | 454.4 |
| 7 | UNLV | 10 | 1826 | 2560 | 705 | 4386 | 6.22 | 438.6 |
| 8 | San Diego State | 11 | 1175 | 2556 | 707 | 3731 | 5.28 | 339.2 |
| 9 | Hawai'i | 11 | 1922 | 2606 | 752 | 4528 | 6.02 | 411.6 |
| 10 | Fresno State | 12 | 1447 | 2258 | 793 | 3705 | 4.67 | 308.8 |
| 11 | Nevada | 11 | 1609 | 2652 | 829 | 4261 | 5.14 | 387.4 |
| 12 | Utah State | 12 | 1660 | 2764 | 909 | 4424 | 4.87 | 368.7 |