2018 Mountain West Conference Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wyoming | 8 | 234 | 140 | 59.8 | 1356 | 5.8 | 8 | 8 | 112.95 | 29.3 | 169.5 |
| 2 | Fresno State | 12 | 385 | 192 | 49.9 | 2258 | 5.9 | 13 | 18 | 100.93 | 32.1 | 188.2 |
| 3 | Utah State | 12 | 423 | 221 | 52.2 | 2764 | 6.5 | 17 | 22 | 110.00 | 35.3 | 230.3 |
| 4 | Nevada | 11 | 383 | 218 | 56.9 | 2652 | 6.9 | 24 | 8 | 131.58 | 34.8 | 241.1 |
| 5 | San Jose State | 8 | 280 | 160 | 57.1 | 2106 | 7.5 | 20 | 10 | 136.75 | 35.0 | 263.3 |
| 6 | San Diego State | 11 | 333 | 203 | 61.0 | 2556 | 7.7 | 17 | 7 | 138.09 | 30.3 | 232.4 |
| 7 | New Mexico | 9 | 264 | 142 | 53.8 | 2054 | 7.8 | 13 | 9 | 128.57 | 29.3 | 228.2 |
| 8 | Hawai'i | 11 | 323 | 191 | 59.1 | 2606 | 8.1 | 23 | 5 | 147.30 | 29.4 | 236.9 |
| 8 | UNLV | 10 | 315 | 177 | 56.2 | 2560 | 8.1 | 22 | 9 | 141.80 | 31.5 | 256.0 |
| 10 | Boise State | 10 | 268 | 167 | 62.3 | 2213 | 8.3 | 12 | 6 | 141.97 | 26.8 | 221.3 |
| 11 | Air Force | 9 | 247 | 149 | 60.3 | 2119 | 8.6 | 16 | 7 | 148.09 | 27.4 | 235.4 |
| 12 | Colorado State | 9 | 238 | 146 | 61.3 | 2174 | 9.1 | 23 | 6 | 164.93 | 26.4 | 241.6 |