2012 Big 12 Conference Leaders Passing Defense - Games in December/January Only through 01/07/2013
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iowa State | 1 | 23 | 11 | 47.8 | 93 | 4.0 | 0 | 1 | 73.09 | 23.0 | 93.0 |
| 2 | West Virginia | 2 | 41 | 20 | 48.8 | 259 | 6.3 | 2 | 2 | 108.18 | 20.5 | 129.5 |
| 3 | Texas Tech | 1 | 19 | 8 | 42.1 | 146 | 7.7 | 2 | 1 | 130.87 | 19.0 | 146.0 |
| 4 | TCU | 2 | 67 | 33 | 49.3 | 348 | 5.2 | 3 | 1 | 104.67 | 33.5 | 174.0 |
| 5 | Texas | 2 | 43 | 23 | 53.5 | 378 | 8.8 | 1 | 3 | 121.06 | 21.5 | 189.0 |
| 6 | Kansas State | 2 | 59 | 38 | 64.4 | 480 | 8.1 | 4 | 2 | 148.34 | 29.5 | 240.0 |
| 7 | Oklahoma State | 2 | 73 | 44 | 60.3 | 508 | 7.0 | 3 | 2 | 126.81 | 36.5 | 254.0 |
| 8 | Oklahoma | 2 | 66 | 40 | 60.6 | 538 | 8.2 | 3 | 1 | 141.06 | 33.0 | 269.0 |
| 9 | Baylor | 2 | 105 | 57 | 54.3 | 671 | 6.4 | 5 | 2 | 119.87 | 52.5 | 335.5 |
| 10 | Kansas | 1 | 25 | 23 | 92.0 | 407 | 16.3 | 3 | 1 | 260.35 | 25.0 | 407.0 |