2018 Big 12 Conference Leaders Fumbles Lost - Games vs. Non-Conference Teams Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oklahoma | 4 | 0 | 0 | 0 |
| 2 | Kansas | 3 | 5 | 1 | 20.00 |
| 3 | West Virginia | 3 | 4 | 1 | 25.00 |
| 3 | TCU | 4 | 8 | 2 | 25.00 |
| 5 | Baylor | 4 | 6 | 2 | 33.33 |
| 6 | Oklahoma State | 4 | 4 | 2 | 50.00 |
| 7 | Kansas State | 3 | 7 | 4 | 57.14 |
| 8 | Texas | 4 | 5 | 3 | 60.00 |
| 9 | Texas Tech | 3 | 1 | 1 | 100.00 |
| 9 | Iowa State | 4 | 5 | 5 | 100.00 |