2012 Big Ten Conference Leaders Passing Defense - Games vs. BCS Automatic Qualifying Teams through 01/07/2013
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nebraska | 11 | 303 | 143 | 47.2 | 1962 | 6.5 | 16 | 10 | 112.42 | 27.5 | 178.4 |
| 2 | Michigan State | 10 | 329 | 178 | 54.1 | 1806 | 5.5 | 9 | 11 | 102.55 | 32.9 | 180.6 |
| 3 | Penn State | 10 | 366 | 200 | 54.6 | 2250 | 6.1 | 13 | 9 | 113.09 | 36.6 | 225.0 |
| 4 | Wisconsin | 11 | 356 | 197 | 55.3 | 2006 | 5.6 | 11 | 8 | 108.38 | 32.4 | 182.4 |
| 5 | Ohio State | 9 | 316 | 182 | 57.6 | 2101 | 6.6 | 12 | 8 | 120.92 | 35.1 | 233.4 |
| 6 | Northwestern | 12 | 464 | 272 | 58.6 | 3068 | 6.6 | 18 | 13 | 121.36 | 38.7 | 255.7 |
| 7 | Purdue | 10 | 328 | 193 | 58.8 | 2373 | 7.2 | 16 | 6 | 132.05 | 32.8 | 237.3 |
| 8 | Minnesota | 10 | 289 | 172 | 59.5 | 1938 | 6.7 | 13 | 8 | 125.15 | 28.9 | 193.8 |
| 9 | Michigan | 11 | 281 | 173 | 61.6 | 1929 | 6.9 | 16 | 7 | 133.05 | 25.5 | 175.4 |
| 10 | Indiana | 8 | 232 | 146 | 62.9 | 2059 | 8.9 | 17 | 6 | 156.49 | 29.0 | 257.4 |
| 11 | Iowa | 9 | 269 | 172 | 63.9 | 2052 | 7.6 | 14 | 9 | 138.50 | 29.9 | 228.0 |
| 12 | Illinois | 9 | 202 | 132 | 65.3 | 1746 | 8.6 | 16 | 3 | 161.13 | 22.4 | 194.0 |