2021 Big Ten Conference Leaders Opponent 4th Down Conversions - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Attempts | Conversions | Conversion % | |
|---|---|---|---|---|---|
| 1 | Minnesota | 2 | 1 | 1 | 100.00 |
| 2 | Illinois | 1 | 2 | 1 | 50.00 |
| 3 | Iowa | 2 | 3 | 0 | 0.00 |
| 3 | Nebraska | 5 | 3 | 0 | 0.00 |
| 3 | Rutgers | 4 | 3 | 1 | 33.33 |
| 3 | Indiana | 5 | 3 | 3 | 100.00 |
| 3 | Northwestern | 3 | 3 | 3 | 100.00 |
| 8 | Michigan State | 3 | 5 | 3 | 60.00 |
| 8 | Purdue | 4 | 5 | 3 | 60.00 |
| 10 | Ohio State | 4 | 6 | 4 | 66.67 |
| 11 | Maryland | 4 | 8 | 4 | 50.00 |
| 11 | Michigan | 4 | 8 | 6 | 75.00 |
| 13 | Wisconsin | 3 | 9 | 5 | 55.56 |
| 14 | Penn State | 5 | 11 | 8 | 72.73 |