2019 Big 12 Conference Leaders Fumbles Lost - Games vs. Conference Teams Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 9 | 4 | 1 | 25.00 |
| 2 | Kansas State | 9 | 12 | 4 | 33.33 |
| 3 | Oklahoma State | 9 | 12 | 5 | 41.67 |
| 4 | Kansas | 9 | 7 | 3 | 42.86 |
| 5 | Baylor | 10 | 15 | 7 | 46.67 |
| 6 | Texas | 9 | 6 | 3 | 50.00 |
| 6 | West Virginia | 9 | 10 | 5 | 50.00 |
| 6 | Texas Tech | 9 | 12 | 6 | 50.00 |
| 9 | Oklahoma | 10 | 15 | 8 | 53.33 |
| 10 | TCU | 9 | 6 | 4 | 66.67 |