2018 Big 12 Conference Leaders Passing Defense - Games Lost Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Oklahoma | 2 | 65 | 51 | 78.5 | 652 | 10.0 | 7 | 0 | 198.26 | 32.5 | 326.0 |
| 2 | Iowa State | 5 | 160 | 115 | 71.9 | 1221 | 7.6 | 8 | 1 | 151.23 | 32.0 | 244.2 |
| 3 | Oklahoma State | 6 | 174 | 116 | 66.7 | 1539 | 8.8 | 11 | 4 | 157.23 | 29.0 | 256.5 |
| 3 | Texas | 4 | 144 | 97 | 67.4 | 1310 | 9.1 | 11 | 0 | 168.98 | 36.0 | 327.5 |
| 5 | West Virginia | 4 | 128 | 89 | 69.5 | 1259 | 9.8 | 12 | 6 | 173.71 | 32.0 | 314.8 |
| 6 | TCU | 6 | 192 | 125 | 65.1 | 1634 | 8.5 | 14 | 2 | 158.56 | 32.0 | 272.3 |
| 7 | Kansas State | 7 | 235 | 155 | 66.0 | 1969 | 8.4 | 15 | 8 | 150.59 | 33.6 | 281.3 |
| 8 | Baylor | 6 | 169 | 107 | 63.3 | 1602 | 9.5 | 16 | 1 | 172.99 | 28.2 | 267.0 |
| 9 | Texas Tech | 7 | 226 | 143 | 63.3 | 2149 | 9.5 | 18 | 5 | 165.01 | 32.3 | 307.0 |
| 10 | Kansas | 9 | 265 | 179 | 67.5 | 2309 | 8.7 | 21 | 8 | 160.85 | 29.4 | 256.6 |