2021 Big Ten Conference Leaders Passing Defense - Games Lost Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nebraska | 9 | 284 | 191 | 67.3 | 1986 | 7.0 | 12 | 6 | 135.70 | 31.6 | 220.7 |
| 2 | Penn State | 6 | 165 | 99 | 60.0 | 1121 | 6.8 | 8 | 5 | 127.01 | 27.5 | 186.8 |
| 2 | Indiana | 10 | 302 | 186 | 61.6 | 2267 | 7.5 | 19 | 5 | 142.10 | 30.2 | 226.7 |
| 2 | Illinois | 7 | 219 | 133 | 60.7 | 1671 | 7.6 | 8 | 5 | 132.30 | 31.3 | 238.7 |
| 5 | Northwestern | 9 | 260 | 179 | 68.8 | 2132 | 8.2 | 9 | 4 | 146.07 | 28.9 | 236.9 |
| 6 | Iowa | 4 | 121 | 77 | 63.6 | 965 | 8.0 | 6 | 3 | 142.03 | 30.3 | 241.3 |
| 7 | Minnesota | 4 | 92 | 50 | 54.3 | 750 | 8.2 | 7 | 2 | 143.59 | 23.0 | 187.5 |
| 7 | Wisconsin | 4 | 116 | 68 | 58.6 | 938 | 8.1 | 7 | 2 | 143.00 | 29.0 | 234.5 |
| 7 | Michigan | 2 | 61 | 40 | 65.6 | 527 | 8.6 | 4 | 2 | 153.22 | 30.5 | 263.5 |
| 7 | Rutgers | 8 | 223 | 135 | 60.5 | 2250 | 10.1 | 22 | 2 | 176.06 | 27.9 | 281.3 |
| 11 | Ohio State | 2 | 55 | 31 | 56.4 | 426 | 7.7 | 2 | 1 | 129.78 | 27.5 | 213.0 |
| 11 | Maryland | 6 | 206 | 135 | 65.5 | 1842 | 8.9 | 18 | 1 | 168.51 | 34.3 | 307.0 |
| 11 | Michigan State | 2 | 97 | 76 | 78.4 | 985 | 10.2 | 9 | 1 | 192.21 | 48.5 | 492.5 |
| 14 | Purdue | 4 | 96 | 60 | 62.5 | 805 | 8.4 | 8 | 0 | 160.43 | 24.0 | 201.3 |