2009 Illinois Fighting Illini Penalty Split Stats through 01/07/2010
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 78 | 734 | 6.5 | 61.2 |
| at Home | 6 | 38 | 364 | 6.3 | 60.7 |
| on Road/Neutral Site | 6 | 40 | 370 | 6.7 | 61.7 |
| in Wins | 3 | 25 | 231 | 8.3 | 77.0 |
| in Losses | 9 | 53 | 503 | 5.9 | 55.9 |
| vs. Conference | 8 | 49 | 461 | 6.1 | 57.6 |
| vs. Non-Conference | 4 | 29 | 273 | 7.3 | 68.3 |
| vs. Ranked (AP) | 3 | 21 | 190 | 7.0 | 63.3 |
| vs. Unranked (AP) | 9 | 57 | 544 | 6.3 | 60.4 |
| vs. FBS (I-A) | 11 | 65 | 619 | 5.9 | 56.3 |
| vs. FCS (I-AA) | 1 | 13 | 115 | 13.0 | 115.0 |
| vs. FBS Winning | 6 | 35 | 335 | 5.8 | 55.8 |
| vs. FBS Non-Winning | 5 | 30 | 284 | 6.0 | 56.8 |
| vs. BCS AQ | 10 | 61 | 570 | 6.1 | 57.0 |
| vs. BCS non-AQ | 1 | 4 | 49 | 4.0 | 49.0 |
| in August/September | 3 | 25 | 226 | 8.3 | 75.3 |
| in October | 5 | 27 | 254 | 5.4 | 50.8 |
| in November | 3 | 22 | 205 | 7.3 | 68.3 |
| in December/January | 1 | 4 | 49 | 4.0 | 49.0 |