2018 Big 12 Conference Leaders Opponent First Downs - Games Lost Only through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Oklahoma | 2 | 21 | 31 | 3 | 55 | 27.5 |
| 2 | Iowa State | 5 | 37 | 55 | 4 | 96 | 19.2 |
| 2 | TCU | 6 | 58 | 73 | 4 | 135 | 22.5 |
| 4 | Kansas State | 7 | 75 | 89 | 7 | 171 | 24.4 |
| 4 | West Virginia | 4 | 49 | 50 | 7 | 106 | 26.5 |
| 6 | Baylor | 6 | 52 | 61 | 11 | 124 | 20.7 |
| 7 | Kansas | 9 | 99 | 98 | 13 | 210 | 23.3 |
| 8 | Texas | 4 | 35 | 54 | 16 | 105 | 26.3 |
| 9 | Oklahoma State | 6 | 68 | 67 | 21 | 156 | 26.0 |
| 9 | Texas Tech | 7 | 73 | 88 | 21 | 182 | 26.0 |