2025 Big 12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 01/09/2026
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | West Virginia | 10 | 14 | 3 | 21.43 |
| 2 | Kansas | 10 | 15 | 4 | 26.67 |
| 3 | UCF | 10 | 18 | 5 | 27.78 |
| 4 | Houston | 11 | 13 | 4 | 30.77 |
| 5 | Oklahoma State | 10 | 20 | 7 | 35.00 |
| 6 | Utah | 11 | 16 | 6 | 37.50 |
| 7 | TCU | 12 | 13 | 5 | 38.46 |
| 8 | Colorado | 10 | 11 | 5 | 45.45 |
| 8 | Iowa State | 10 | 11 | 5 | 45.45 |
| 10 | Texas Tech | 12 | 14 | 7 | 50.00 |
| 10 | BYU | 12 | 16 | 8 | 50.00 |
| 12 | Kansas State | 10 | 13 | 7 | 53.85 |
| 13 | Arizona | 11 | 9 | 5 | 55.56 |
| 14 | Arizona State | 11 | 20 | 12 | 60.00 |
| 15 | Cincinnati | 10 | 8 | 6 | 75.00 |
| 16 | Baylor | 11 | 14 | 12 | 85.71 |