2021 Illinois Fighting Illini Opponent Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 59 | 588 | 4.9 | 49.0 |
| at Home | 7 | 36 | 361 | 5.1 | 51.6 |
| on Road/Neutral Site | 5 | 23 | 227 | 4.6 | 45.4 |
| in Wins | 5 | 24 | 255 | 4.8 | 51.0 |
| in Losses | 7 | 35 | 333 | 5.0 | 47.6 |
| vs. Conference | 9 | 43 | 424 | 4.8 | 47.1 |
| vs. Non-Conference | 3 | 16 | 164 | 5.3 | 54.7 |
| vs. Ranked (AP) | 1 | 3 | 22 | 3.0 | 22.0 |
| vs. Unranked (AP) | 11 | 56 | 566 | 5.1 | 51.5 |
| vs. FBS (I-A) | 12 | 59 | 588 | 4.9 | 49.0 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - | - |
| vs. FBS Winning | 7 | 35 | 360 | 5.0 | 51.4 |
| vs. FBS Non-Winning | 5 | 24 | 228 | 4.8 | 45.6 |
| vs. FBS Power 5 | 10 | 51 | 498 | 5.1 | 49.8 |
| vs. FBS non-Power 5 | 2 | 8 | 90 | 4.0 | 45.0 |
| in August/September | 5 | 25 | 262 | 5.0 | 52.4 |
| in October | 4 | 24 | 244 | 6.0 | 61.0 |
| in November | 3 | 10 | 82 | 3.3 | 27.3 |
| in December/January | 0 | 0 | 0 | - | - |