2009 Northern Illinois Huskies Opponent Penalty Split Stats through 01/07/2010
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 62 | 525 | 4.8 | 40.4 |
| at Home | 6 | 30 | 228 | 5.0 | 38.0 |
| on Road/Neutral Site | 7 | 32 | 297 | 4.6 | 42.4 |
| in Wins | 7 | 34 | 244 | 4.9 | 34.9 |
| in Losses | 6 | 28 | 281 | 4.7 | 46.8 |
| vs. Conference | 8 | 40 | 329 | 5.0 | 41.1 |
| vs. Non-Conference | 5 | 22 | 196 | 4.4 | 39.2 |
| vs. Ranked (AP) | 2 | 9 | 101 | 4.5 | 50.5 |
| vs. Unranked (AP) | 11 | 53 | 424 | 4.8 | 38.5 |
| vs. FBS (I-A) | 12 | 58 | 487 | 4.8 | 40.6 |
| vs. FCS (I-AA) | 1 | 4 | 38 | 4.0 | 38.0 |
| vs. FBS Winning | 5 | 21 | 222 | 4.2 | 44.4 |
| vs. FBS Non-Winning | 7 | 37 | 265 | 5.3 | 37.9 |
| vs. BCS AQ | 3 | 13 | 104 | 4.3 | 34.7 |
| vs. BCS non-AQ | 9 | 45 | 383 | 5.0 | 42.6 |
| in August/September | 4 | 18 | 168 | 4.5 | 42.0 |
| in October | 4 | 21 | 163 | 5.3 | 40.8 |
| in November | 4 | 19 | 166 | 4.8 | 41.5 |
| in December/January | 1 | 4 | 28 | 4.0 | 28.0 |