2012 Big Ten Conference Leaders Passing Defense - Games vs. Ranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ohio State | 2 | 45 | 26 | 57.8 | 385 | 8.6 | 2 | 4 | 126.54 | 22.5 | 192.5 |
| 2 | Illinois | 3 | 53 | 33 | 62.3 | 523 | 9.9 | 7 | 1 | 184.97 | 17.7 | 174.3 |
| 3 | Indiana | 2 | 60 | 37 | 61.7 | 535 | 8.9 | 3 | 3 | 143.07 | 30.0 | 267.5 |
| 4 | Iowa | 4 | 63 | 39 | 61.9 | 515 | 8.2 | 4 | 2 | 145.18 | 15.8 | 128.8 |
| 5 | Minnesota | 3 | 68 | 45 | 66.2 | 612 | 9.0 | 4 | 1 | 158.25 | 22.7 | 204.0 |
| 6 | Penn State | 3 | 75 | 40 | 53.3 | 449 | 6.0 | 3 | 1 | 114.15 | 25.0 | 149.7 |
| 7 | Purdue | 3 | 87 | 47 | 54.0 | 619 | 7.1 | 3 | 2 | 120.57 | 29.0 | 206.3 |
| 8 | Northwestern | 3 | 102 | 60 | 58.8 | 845 | 8.3 | 6 | 1 | 145.86 | 34.0 | 281.7 |
| 9 | Nebraska | 4 | 111 | 50 | 45.0 | 768 | 6.9 | 8 | 5 | 117.94 | 27.8 | 192.0 |
| 10 | Michigan | 6 | 139 | 89 | 64.0 | 1223 | 8.8 | 11 | 3 | 159.74 | 23.2 | 203.8 |
| 11 | Wisconsin | 6 | 183 | 105 | 57.4 | 1087 | 5.9 | 5 | 2 | 114.11 | 30.5 | 181.2 |
| 12 | Michigan State | 6 | 196 | 101 | 51.5 | 1095 | 5.6 | 5 | 6 | 100.76 | 32.7 | 182.5 |