2021 Big Ten Conference Leaders Turnover Margin - Games vs. FBS Teams With Winning Record Only through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iowa | 8 | 3 | 16 | 19 | 4 | 9 | 13 | 6 | 0.75 |
| 2 | Penn State | 7 | 4 | 7 | 11 | 5 | 7 | 12 | -1 | -0.14 |
| 2 | Wisconsin | 9 | 7 | 7 | 14 | 7 | 10 | 17 | -3 | -0.33 |
| 4 | Ohio State | 9 | 8 | 6 | 14 | 3 | 5 | 8 | 6 | 0.67 |
| 4 | Illinois | 7 | 4 | 6 | 10 | 3 | 4 | 7 | 3 | 0.43 |
| 4 | Michigan State | 8 | 7 | 6 | 13 | 4 | 6 | 10 | 3 | 0.38 |
| 4 | Michigan | 9 | 3 | 6 | 9 | 3 | 7 | 10 | -1 | -0.11 |
| 4 | Purdue | 8 | 4 | 6 | 10 | 7 | 10 | 17 | -7 | -0.88 |
| 4 | Nebraska | 8 | 1 | 6 | 7 | 3 | 11 | 14 | -7 | -0.88 |
| 10 | Indiana | 10 | 3 | 5 | 8 | 3 | 13 | 16 | -8 | -0.80 |
| 11 | Minnesota | 6 | 4 | 4 | 8 | 2 | 1 | 3 | 5 | 0.83 |
| 12 | Northwestern | 6 | 5 | 2 | 7 | 2 | 9 | 11 | -4 | -0.67 |
| 12 | Rutgers | 7 | 1 | 2 | 3 | 3 | 10 | 13 | -10 | -1.43 |
| 14 | Maryland | 6 | 1 | 1 | 2 | 3 | 11 | 14 | -12 | -2.00 |