2021 Big Ten Conference Leaders Turnover Margin - Games vs. FBS Power 5 Conference Teams Only through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iowa | 12 | 4 | 25 | 29 | 7 | 10 | 17 | 12 | 1.00 |
| 2 | Wisconsin | 10 | 6 | 15 | 21 | 8 | 8 | 16 | 5 | 0.50 |
| 3 | Penn State | 11 | 7 | 11 | 18 | 5 | 9 | 14 | 4 | 0.36 |
| 3 | Michigan State | 11 | 9 | 9 | 18 | 6 | 10 | 16 | 2 | 0.18 |
| 5 | Ohio State | 11 | 8 | 8 | 16 | 2 | 6 | 8 | 8 | 0.73 |
| 5 | Purdue | 11 | 4 | 12 | 16 | 7 | 10 | 17 | -1 | -0.09 |
| 7 | Michigan | 12 | 8 | 7 | 15 | 5 | 9 | 14 | 1 | 0.08 |
| 8 | Illinois | 10 | 6 | 8 | 14 | 4 | 6 | 10 | 4 | 0.40 |
| 9 | Minnesota | 11 | 6 | 6 | 12 | 3 | 7 | 10 | 2 | 0.18 |
| 9 | Rutgers | 11 | 7 | 5 | 12 | 4 | 10 | 14 | -2 | -0.18 |
| 9 | Northwestern | 10 | 8 | 4 | 12 | 6 | 13 | 19 | -7 | -0.70 |
| 12 | Nebraska | 10 | 3 | 6 | 9 | 4 | 11 | 15 | -6 | -0.60 |
| 12 | Maryland | 11 | 4 | 5 | 9 | 5 | 11 | 16 | -7 | -0.64 |
| 14 | Indiana | 9 | 2 | 4 | 6 | 6 | 12 | 18 | -12 | -1.33 |