2018 Big 12 Conference Leaders Fumbles Lost - Games vs. FBS Teams With Winning Record Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Texas | 8 | 9 | 2 | 22.22 |
| 2 | Texas Tech | 8 | 4 | 3 | 75.00 |
| 2 | Kansas | 7 | 7 | 3 | 42.86 |
| 4 | West Virginia | 7 | 8 | 4 | 50.00 |
| 5 | Oklahoma | 9 | 6 | 5 | 83.33 |
| 5 | Iowa State | 8 | 8 | 5 | 62.50 |
| 5 | Baylor | 7 | 12 | 5 | 41.67 |
| 8 | Kansas State | 8 | 11 | 6 | 54.55 |
| 8 | Oklahoma State | 8 | 12 | 6 | 50.00 |
| 10 | TCU | 8 | 14 | 7 | 50.00 |