2018 Big 12 Conference Leaders Passing Defense - Games in October Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Texas Tech | 3 | 113 | 57 | 50.4 | 761 | 6.7 | 6 | 3 | 119.22 | 37.7 | 253.7 |
| 2 | Oklahoma State | 3 | 89 | 52 | 58.4 | 738 | 8.3 | 6 | 1 | 148.08 | 29.7 | 246.0 |
| 3 | Oklahoma | 3 | 83 | 49 | 59.0 | 595 | 7.2 | 5 | 1 | 136.73 | 27.7 | 198.3 |
| 4 | Iowa State | 3 | 105 | 63 | 60.0 | 722 | 6.9 | 6 | 5 | 127.10 | 35.0 | 240.7 |
| 5 | Texas | 3 | 101 | 63 | 62.4 | 871 | 8.6 | 8 | 2 | 157.00 | 33.7 | 290.3 |
| 6 | Baylor | 3 | 96 | 60 | 62.5 | 764 | 8.0 | 6 | 3 | 143.73 | 32.0 | 254.7 |
| 7 | Kansas State | 3 | 109 | 69 | 63.3 | 860 | 7.9 | 4 | 4 | 134.35 | 36.3 | 286.7 |
| 8 | West Virginia | 3 | 88 | 56 | 63.6 | 665 | 7.6 | 5 | 6 | 132.23 | 29.3 | 221.7 |
| 9 | TCU | 3 | 81 | 53 | 65.4 | 664 | 8.2 | 7 | 1 | 160.34 | 27.0 | 221.3 |
| 10 | Kansas | 3 | 123 | 90 | 73.2 | 1124 | 9.1 | 8 | 5 | 163.26 | 41.0 | 374.7 |