2009 Illinois Fighting Illini Fourth Down Conversion Defense Split Stats through 01/07/2010
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 12 | 16 | 9 | 56.25 |
| at Home | 6 | 9 | 4 | 44.44 |
| on Road/Neutral Site | 6 | 7 | 5 | 71.43 |
| in Wins | 3 | 5 | 1 | 20.00 |
| in Losses | 9 | 11 | 8 | 72.73 |
| vs. Conference | 8 | 10 | 5 | 50.00 |
| vs. Non-Conference | 4 | 6 | 4 | 66.67 |
| vs. Ranked (AP) | 3 | 3 | 2 | 66.67 |
| vs. Unranked (AP) | 9 | 13 | 7 | 53.85 |
| vs. FBS (I-A) | 11 | 15 | 9 | 60.00 |
| vs. FCS (I-AA) | 1 | 1 | 0 | 0.00 |
| vs. FBS Winning | 6 | 7 | 5 | 71.43 |
| vs. FBS Non-Winning | 5 | 8 | 4 | 50.00 |
| vs. BCS AQ | 10 | 13 | 7 | 53.85 |
| vs. BCS non-AQ | 1 | 2 | 2 | 100.00 |
| in August/September | 3 | 3 | 2 | 66.67 |
| in October | 5 | 7 | 3 | 42.86 |
| in November | 3 | 4 | 2 | 50.00 |
| in December/January | 1 | 2 | 2 | 100.00 |