2021 Big Ten Conference Leaders Opponent Penalties - Games vs. Conference Teams Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Iowa | 10 | 66 | 572 | 6.6 | 57.2 |
| 2 | Maryland | 9 | 52 | 453 | 5.8 | 50.3 |
| 3 | Indiana | 9 | 51 | 462 | 5.7 | 51.3 |
| 3 | Penn State | 9 | 51 | 373 | 5.7 | 41.4 |
| 5 | Northwestern | 9 | 50 | 427 | 5.6 | 47.4 |
| 6 | Rutgers | 9 | 49 | 450 | 5.4 | 50.0 |
| 6 | Michigan State | 9 | 49 | 374 | 5.4 | 41.6 |
| 8 | Michigan | 10 | 53 | 433 | 5.3 | 43.3 |
| 9 | Minnesota | 9 | 46 | 469 | 5.1 | 52.1 |
| 10 | Purdue | 9 | 43 | 440 | 4.8 | 48.9 |
| 10 | Illinois | 9 | 43 | 424 | 4.8 | 47.1 |
| 12 | Nebraska | 9 | 42 | 379 | 4.7 | 42.1 |
| 13 | Wisconsin | 9 | 37 | 351 | 4.1 | 39.0 |
| 14 | Ohio State | 9 | 33 | 294 | 3.7 | 32.7 |