2025 Big 12 Conference Leaders Fumbles Lost - Games vs. Conference Teams Only through 09/12/2025
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Houston | 1 | 1 | 0 | 0.00 |
| 1 | Arizona | 1 | 1 | 1 | 100.00 |
| 3 | Colorado | 1 | 2 | 0 | 0.00 |
| 3 | Iowa State | 1 | 2 | 2 | 100.00 |
| 5 | Kansas State | 2 | 3 | 3 | 100.00 |