2018 Big 12 Conference Leaders Fumbles Lost - Games in December/January Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Baylor | 1 | 0 | 0 | 0 |
| 1 | TCU | 1 | 0 | 0 | 0 |
| 1 | West Virginia | 1 | 0 | 0 | 0 |
| 4 | Oklahoma State | 1 | 1 | 0 | 0.00 |
| 4 | Texas | 2 | 2 | 0 | 0.00 |
| 6 | Oklahoma | 2 | 1 | 1 | 100.00 |
| 6 | Iowa State | 2 | 2 | 2 | 100.00 |