2018 Big 12 Conference Leaders Total Defense - Games in December/January Only through 01/07/2019
| Name | G | Rush Yards | Pass Yards | Plays | Total Yards | Yards/Play | Yards/G | |
|---|---|---|---|---|---|---|---|---|
| 1 | TCU | 1 | 100 | 164 | 63 | 264 | 4.19 | 264.0 |
| 2 | Iowa State | 2 | 86 | 520 | 125 | 606 | 4.85 | 303.0 |
| 3 | Texas | 2 | 201 | 591 | 138 | 792 | 5.74 | 396.0 |
| 4 | West Virginia | 1 | 113 | 303 | 75 | 416 | 5.55 | 416.0 |
| 5 | Oklahoma | 2 | 288 | 677 | 139 | 965 | 6.94 | 482.5 |
| 6 | Baylor | 1 | 287 | 286 | 62 | 573 | 9.24 | 573.0 |
| 7 | Oklahoma State | 1 | 264 | 373 | 80 | 637 | 7.96 | 637.0 |