2008 Illinois Fighting Illini Penalty Split Stats through 01/08/2009
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 66 | 612 | 5.5 | 51.0 |
| at Home | 6 | 34 | 322 | 5.7 | 53.7 |
| on Road/Neutral Site | 6 | 32 | 290 | 5.3 | 48.3 |
| in Wins | 5 | 29 | 281 | 5.8 | 56.2 |
| in Losses | 7 | 37 | 331 | 5.3 | 47.3 |
| vs. Conference | 8 | 43 | 376 | 5.4 | 47.0 |
| vs. Non-Conference | 4 | 23 | 236 | 5.8 | 59.0 |
| vs. Ranked (AP) | 4 | 21 | 195 | 5.3 | 48.8 |
| vs. Unranked (AP) | 8 | 45 | 417 | 5.6 | 52.1 |
| vs. FBS (I-A) | 11 | 63 | 582 | 5.7 | 52.9 |
| vs. FCS (I-AA) | 1 | 3 | 30 | 3.0 | 30.0 |
| vs. FBS Winning | 8 | 41 | 366 | 5.1 | 45.8 |
| vs. FBS Non-Winning | 3 | 22 | 216 | 7.3 | 72.0 |
| vs. BCS AQ | 9 | 51 | 456 | 5.7 | 50.7 |
| vs. BCS non-AQ | 2 | 12 | 126 | 6.0 | 63.0 |
| in August/September | 4 | 25 | 246 | 6.3 | 61.5 |
| in October | 4 | 26 | 213 | 6.5 | 53.3 |
| in November | 4 | 15 | 153 | 3.8 | 38.3 |
| in December/January | 0 | 0 | 0 | - | - |