2021 Illinois Fighting Illini Third Down Conversion Defense Split Stats through 01/10/2022
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 12 | 167 | 59 | 35.33 |
| at Home | 7 | 97 | 36 | 37.11 |
| on Road/Neutral Site | 5 | 70 | 23 | 32.86 |
| in Wins | 5 | 72 | 22 | 30.56 |
| in Losses | 7 | 95 | 37 | 38.95 |
| vs. Conference | 9 | 131 | 42 | 32.06 |
| vs. Non-Conference | 3 | 36 | 17 | 47.22 |
| vs. Ranked (AP) | 1 | 16 | 5 | 31.25 |
| vs. Unranked (AP) | 11 | 151 | 54 | 35.76 |
| vs. FBS (I-A) | 12 | 167 | 59 | 35.33 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - |
| vs. FBS Winning | 7 | 100 | 37 | 37.00 |
| vs. FBS Non-Winning | 5 | 67 | 22 | 32.84 |
| vs. FBS Power 5 | 10 | 141 | 46 | 32.62 |
| vs. FBS non-Power 5 | 2 | 26 | 13 | 50.00 |
| in August/September | 5 | 65 | 27 | 41.54 |
| in October | 4 | 54 | 18 | 33.33 |
| in November | 3 | 48 | 14 | 29.17 |
| in December/January | 0 | 0 | 0 | - |