2025 Big 12 Conference Leaders Fumbles Lost - Games in December/January Only through 01/19/2026
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona | 1 | 0 | 0 | 0 |
| 1 | Houston | 1 | 0 | 0 | 0 |
| 3 | TCU | 1 | 1 | 0 | 0.00 |
| 3 | Utah | 1 | 1 | 0 | 0.00 |
| 5 | Cincinnati | 1 | 2 | 1 | 50.00 |
| 5 | Arizona State | 1 | 2 | 2 | 100.00 |
| 7 | Texas Tech | 2 | 3 | 2 | 66.67 |
| 8 | BYU | 2 | 5 | 3 | 60.00 |