2021 Big Ten Conference Leaders Turnover Margin - Games in November Only through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Penn State | 4 | 2 | 3 | 5 | 3 | 0 | 3 | 2 | 0.50 |
| 1 | Purdue | 4 | 1 | 3 | 4 | 3 | 0 | 3 | 1 | 0.25 |
| 3 | Iowa | 4 | 1 | 6 | 7 | 2 | 1 | 3 | 4 | 1.00 |
| 4 | Michigan | 4 | 2 | 1 | 3 | 1 | 2 | 3 | 0 | 0.00 |
| 5 | Wisconsin | 4 | 1 | 10 | 11 | 2 | 3 | 5 | 6 | 1.50 |
| 5 | Illinois | 3 | 1 | 4 | 5 | 0 | 3 | 3 | 2 | 0.67 |
| 5 | Ohio State | 4 | 3 | 2 | 5 | 0 | 3 | 3 | 2 | 0.50 |
| 5 | Minnesota | 4 | 1 | 3 | 4 | 0 | 3 | 3 | 1 | 0.25 |
| 5 | Michigan State | 4 | 3 | 2 | 5 | 3 | 3 | 6 | -1 | -0.25 |
| 5 | Maryland | 4 | 1 | 2 | 3 | 1 | 3 | 4 | -1 | -0.25 |
| 11 | Nebraska | 3 | 1 | 2 | 3 | 1 | 4 | 5 | -2 | -0.67 |
| 12 | Rutgers | 4 | 4 | 3 | 7 | 1 | 5 | 6 | 1 | 0.25 |
| 12 | Indiana | 4 | 0 | 1 | 1 | 5 | 5 | 10 | -9 | -2.25 |
| 14 | Northwestern | 4 | 2 | 2 | 4 | 1 | 9 | 10 | -6 | -1.50 |