2018 Big 12 Conference Leaders Passes Defended - Games in October Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | West Virginia | 3 | 6 | 7 | 13 | 4.33 |
| 2 | Kansas | 3 | 5 | 8 | 13 | 4.33 |
| 2 | Iowa State | 3 | 5 | 7 | 12 | 4.00 |
| 4 | Kansas State | 3 | 4 | 4 | 8 | 2.67 |
| 5 | Texas Tech | 3 | 3 | 16 | 19 | 6.33 |
| 5 | Baylor | 3 | 3 | 5 | 8 | 2.67 |
| 7 | Texas | 3 | 2 | 8 | 10 | 3.33 |
| 8 | Oklahoma | 3 | 1 | 9 | 10 | 3.33 |
| 8 | Oklahoma State | 3 | 1 | 8 | 9 | 3.00 |
| 8 | TCU | 3 | 1 | 6 | 7 | 2.33 |