2017 Big Ten Conference Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Michigan | 9 | 246 | 114 | 46.3 | 1308 | 5.3 | 7 | 8 | 93.89 | 27.3 | 145.3 |
| 2 | Wisconsin | 11 | 298 | 140 | 47.0 | 1658 | 5.6 | 5 | 13 | 90.54 | 27.1 | 150.7 |
| 3 | Indiana | 8 | 208 | 106 | 51.0 | 1166 | 5.6 | 9 | 3 | 109.45 | 26.0 | 145.8 |
| 4 | Ohio State | 9 | 261 | 138 | 52.9 | 1439 | 5.5 | 11 | 8 | 106.96 | 29.0 | 159.9 |
| 5 | Michigan State | 9 | 285 | 151 | 53.0 | 1499 | 5.3 | 6 | 9 | 97.79 | 31.7 | 166.6 |
| 6 | Rutgers | 8 | 248 | 132 | 53.2 | 1528 | 6.2 | 10 | 12 | 108.61 | 31.0 | 191.0 |
| 7 | Iowa | 8 | 295 | 158 | 53.6 | 1736 | 5.9 | 11 | 13 | 106.49 | 36.9 | 217.0 |
| 8 | Northwestern | 10 | 377 | 204 | 54.1 | 2316 | 6.1 | 12 | 14 | 108.78 | 37.7 | 231.6 |
| 9 | Penn State | 9 | 282 | 154 | 54.6 | 1596 | 5.7 | 6 | 7 | 104.21 | 31.3 | 177.3 |
| 10 | Purdue | 11 | 373 | 209 | 56.0 | 2658 | 7.1 | 19 | 8 | 128.41 | 33.9 | 241.6 |
| 11 | Maryland | 6 | 213 | 128 | 60.1 | 1476 | 6.9 | 13 | 7 | 131.87 | 35.5 | 246.0 |
| 12 | Illinois | 8 | 238 | 145 | 60.9 | 1602 | 6.7 | 12 | 6 | 129.06 | 29.8 | 200.3 |
| 13 | Minnesota | 9 | 280 | 175 | 62.5 | 1719 | 6.1 | 10 | 7 | 120.85 | 31.1 | 191.0 |
| 14 | Nebraska | 8 | 233 | 149 | 63.9 | 1601 | 6.9 | 9 | 6 | 129.27 | 29.1 | 200.1 |