2018 Big 12 Conference Leaders Passes Defended - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | Texas Tech | 9 | 9 | 40 | 49 | 5.44 |
| 2 | Oklahoma | 10 | 3 | 48 | 51 | 5.10 |
| 3 | West Virginia | 9 | 12 | 30 | 42 | 4.67 |
| 4 | Texas | 10 | 8 | 34 | 42 | 4.20 |
| 5 | Iowa State | 9 | 6 | 28 | 34 | 3.78 |
| 5 | TCU | 9 | 5 | 29 | 34 | 3.78 |
| 7 | Kansas | 9 | 9 | 21 | 30 | 3.33 |
| 8 | Kansas State | 9 | 10 | 19 | 29 | 3.22 |
| 9 | Oklahoma State | 9 | 4 | 24 | 28 | 3.11 |
| 10 | Baylor | 9 | 5 | 17 | 22 | 2.44 |