2021 Boston College Eagles Opponent Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 84 | 732 | 7.0 | 61.0 |
| at Home | 6 | 40 | 372 | 6.7 | 62.0 |
| on Road/Neutral Site | 6 | 44 | 360 | 7.3 | 60.0 |
| in Wins | 6 | 39 | 318 | 6.5 | 53.0 |
| in Losses | 6 | 45 | 414 | 7.5 | 69.0 |
| vs. Conference | 8 | 63 | 564 | 7.9 | 70.5 |
| vs. Non-Conference | 4 | 21 | 168 | 5.3 | 42.0 |
| vs. Ranked (AP) | 3 | 21 | 205 | 7.0 | 68.3 |
| vs. Unranked (AP) | 9 | 63 | 527 | 7.0 | 58.6 |
| vs. FBS (I-A) | 11 | 82 | 710 | 7.5 | 64.5 |
| vs. FCS (I-AA) | 1 | 2 | 22 | 2.0 | 22.0 |
| vs. FBS Winning | 3 | 21 | 205 | 7.0 | 68.3 |
| vs. FBS Non-Winning | 8 | 61 | 505 | 7.6 | 63.1 |
| vs. FBS Power 5 | 9 | 66 | 594 | 7.3 | 66.0 |
| vs. FBS non-Power 5 | 2 | 16 | 116 | 8.0 | 58.0 |
| in August/September | 4 | 21 | 168 | 5.3 | 42.0 |
| in October | 4 | 26 | 234 | 6.5 | 58.5 |
| in November | 4 | 37 | 330 | 9.3 | 82.5 |
| in December/January | 0 | 0 | 0 | - | - |