2018 Big 12 Conference Leaders Fumbles Lost - Games in August/September Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Texas Tech | 5 | 1 | 1 | 100.00 |
| 1 | Oklahoma | 5 | 2 | 1 | 50.00 |
| 3 | West Virginia | 4 | 5 | 2 | 40.00 |
| 3 | Kansas | 5 | 6 | 2 | 33.33 |
| 5 | Texas | 5 | 5 | 3 | 60.00 |
| 5 | Oklahoma State | 5 | 6 | 3 | 50.00 |
| 5 | Baylor | 5 | 10 | 3 | 30.00 |
| 8 | Iowa State | 4 | 4 | 4 | 100.00 |
| 9 | Kansas State | 5 | 10 | 5 | 50.00 |
| 9 | TCU | 5 | 11 | 5 | 45.45 |