2021 Big Ten Conference Leaders Opponent Penalties - Games vs. FBS Power 5 Conference Teams Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Iowa | 12 | 73 | 617 | 6.1 | 51.4 |
| 2 | Northwestern | 10 | 60 | 531 | 6.0 | 53.1 |
| 3 | Purdue | 11 | 65 | 618 | 5.9 | 56.2 |
| 4 | Indiana | 9 | 51 | 462 | 5.7 | 51.3 |
| 4 | Michigan State | 11 | 63 | 488 | 5.7 | 44.4 |
| 4 | Penn State | 11 | 63 | 458 | 5.7 | 41.6 |
| 7 | Rutgers | 11 | 59 | 534 | 5.4 | 48.5 |
| 7 | Maryland | 11 | 59 | 498 | 5.4 | 45.3 |
| 9 | Michigan | 12 | 64 | 562 | 5.3 | 46.8 |
| 10 | Illinois | 10 | 51 | 498 | 5.1 | 49.8 |
| 11 | Nebraska | 10 | 49 | 449 | 4.9 | 44.9 |
| 12 | Minnesota | 11 | 53 | 519 | 4.8 | 47.2 |
| 13 | Wisconsin | 10 | 43 | 378 | 4.3 | 37.8 |
| 14 | Ohio State | 11 | 42 | 379 | 3.8 | 34.5 |