2021 Big Ten Conference Leaders Turnover Margin - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Purdue | 4 | 1 | 5 | 6 | 4 | 2 | 6 | 0 | 0.00 |
| 1 | Minnesota | 2 | 1 | 1 | 2 | 2 | 0 | 2 | 0 | 0.00 |
| 3 | Ohio State | 4 | 2 | 1 | 3 | 1 | 3 | 4 | -1 | -0.25 |
| 3 | Michigan State | 3 | 1 | 3 | 4 | 2 | 3 | 5 | -1 | -0.33 |
| 3 | Iowa | 2 | 0 | 3 | 3 | 0 | 4 | 4 | -1 | -0.50 |
| 3 | Illinois | 1 | 0 | 1 | 1 | 0 | 2 | 2 | -1 | -1.00 |
| 7 | Northwestern | 3 | 3 | 0 | 3 | 1 | 4 | 5 | -2 | -0.67 |
| 8 | Nebraska | 5 | 1 | 4 | 5 | 3 | 5 | 8 | -3 | -0.60 |
| 8 | Wisconsin | 3 | 4 | 1 | 5 | 3 | 5 | 8 | -3 | -1.00 |
| 10 | Indiana | 5 | 3 | 4 | 7 | 3 | 8 | 11 | -4 | -0.80 |
| 11 | Michigan | 4 | 0 | 3 | 3 | 2 | 6 | 8 | -5 | -1.25 |
| 11 | Rutgers | 4 | 1 | 1 | 2 | 2 | 5 | 7 | -5 | -1.25 |
| 13 | Penn State | 5 | 2 | 4 | 6 | 5 | 7 | 12 | -6 | -1.20 |
| 14 | Maryland | 4 | 1 | 1 | 2 | 1 | 10 | 11 | -9 | -2.25 |