2018 Big 12 Conference Leaders Passes Defended - Games vs. FBS Teams With Non-Winning Record Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | Texas | 6 | 5 | 22 | 27 | 4.50 |
| 2 | Iowa State | 4 | 4 | 22 | 26 | 6.50 |
| 3 | Baylor | 5 | 5 | 20 | 25 | 5.00 |
| 4 | Oklahoma | 5 | 1 | 18 | 19 | 3.80 |
| 5 | West Virginia | 4 | 5 | 11 | 16 | 4.00 |
| 6 | Kansas | 4 | 8 | 7 | 15 | 3.75 |
| 7 | TCU | 4 | 2 | 10 | 12 | 3.00 |
| 8 | Texas Tech | 3 | 2 | 9 | 11 | 3.67 |
| 8 | Kansas State | 3 | 1 | 10 | 11 | 3.67 |
| 8 | Oklahoma State | 4 | 3 | 8 | 11 | 2.75 |