2021 Big Ten Conference Leaders Opponent Penalties - Games in August/September Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Wisconsin | 3 | 21 | 202 | 7.0 | 67.3 |
| 2 | Northwestern | 4 | 27 | 237 | 6.8 | 59.3 |
| 3 | Indiana | 4 | 30 | 216 | 7.5 | 54.0 |
| 4 | Illinois | 5 | 25 | 262 | 5.0 | 52.4 |
| 5 | Nebraska | 5 | 27 | 257 | 5.4 | 51.4 |
| 6 | Ohio State | 4 | 24 | 203 | 6.0 | 50.8 |
| 7 | Michigan State | 4 | 25 | 195 | 6.3 | 48.8 |
| 8 | Penn State | 4 | 22 | 194 | 5.5 | 48.5 |
| 9 | Iowa | 4 | 24 | 193 | 6.0 | 48.3 |
| 10 | Michigan | 4 | 22 | 188 | 5.5 | 47.0 |
| 11 | Rutgers | 4 | 22 | 184 | 5.5 | 46.0 |
| 12 | Maryland | 4 | 24 | 183 | 6.0 | 45.8 |
| 13 | Minnesota | 4 | 16 | 158 | 4.0 | 39.5 |
| 14 | Purdue | 4 | 21 | 141 | 5.3 | 35.3 |