2021 Big Ten Conference Leaders Passing Defense - Games vs. FBS (I-A) Teams Only through 01/10/2022
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northwestern | 11 | 324 | 219 | 67.6 | 2460 | 7.6 | 10 | 6 | 137.85 | 29.5 | 223.6 |
| 2 | Rutgers | 12 | 343 | 194 | 56.6 | 2956 | 8.6 | 24 | 7 | 147.96 | 28.6 | 246.3 |
| 3 | Indiana | 11 | 346 | 217 | 62.7 | 2632 | 7.6 | 22 | 5 | 144.71 | 31.5 | 239.3 |
| 4 | Wisconsin | 13 | 348 | 193 | 55.5 | 2266 | 6.5 | 9 | 16 | 109.48 | 26.8 | 174.3 |
| 5 | Illinois | 12 | 363 | 213 | 58.7 | 2582 | 7.1 | 12 | 9 | 124.38 | 30.3 | 215.2 |
| 6 | Minnesota | 13 | 369 | 205 | 55.6 | 2356 | 6.4 | 15 | 8 | 118.26 | 28.4 | 181.2 |
| 7 | Purdue | 13 | 374 | 222 | 59.4 | 2713 | 7.3 | 18 | 13 | 129.22 | 28.8 | 208.7 |
| 7 | Nebraska | 11 | 374 | 243 | 65.0 | 2466 | 6.6 | 13 | 7 | 128.09 | 34.0 | 224.2 |
| 9 | Maryland | 12 | 379 | 229 | 60.4 | 3154 | 8.3 | 22 | 5 | 146.84 | 31.6 | 262.8 |
| 10 | Penn State | 12 | 406 | 242 | 59.6 | 2376 | 5.9 | 9 | 13 | 109.69 | 33.8 | 198.0 |
| 11 | Michigan | 14 | 455 | 258 | 56.7 | 2862 | 6.3 | 17 | 8 | 118.35 | 32.5 | 204.4 |
| 12 | Ohio State | 13 | 461 | 284 | 61.6 | 3196 | 6.9 | 21 | 12 | 129.67 | 35.5 | 245.8 |
| 13 | Iowa | 14 | 468 | 262 | 56.0 | 3003 | 6.4 | 16 | 25 | 110.48 | 33.4 | 214.5 |
| 14 | Michigan State | 12 | 547 | 364 | 66.5 | 4085 | 7.5 | 27 | 9 | 142.28 | 45.6 | 340.4 |