2018 Big 12 Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Texas | 4 | 5 | 1 | 20.00 |
| 2 | Baylor | 3 | 7 | 2 | 28.57 |
| 3 | Kansas | 3 | 3 | 1 | 33.33 |
| 4 | Kansas State | 3 | 5 | 2 | 40.00 |
| 5 | TCU | 4 | 9 | 4 | 44.44 |
| 6 | West Virginia | 3 | 4 | 2 | 50.00 |
| 7 | Iowa State | 5 | 5 | 3 | 60.00 |
| 8 | Texas Tech | 3 | 3 | 2 | 66.67 |
| 9 | Oklahoma State | 4 | 4 | 3 | 75.00 |
| 10 | Oklahoma | 5 | 4 | 4 | 100.00 |