2018 Duke Blue Devils Opponent Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 69 | 669 | 5.3 | 51.5 |
| at Home | 6 | 39 | 375 | 6.5 | 62.5 |
| on Road/Neutral Site | 7 | 30 | 294 | 4.3 | 42.0 |
| in Wins | 8 | 44 | 454 | 5.5 | 56.8 |
| in Losses | 5 | 25 | 215 | 5.0 | 43.0 |
| vs. Conference | 8 | 44 | 421 | 5.5 | 52.6 |
| vs. Non-Conference | 5 | 25 | 248 | 5.0 | 49.6 |
| vs. Ranked (AP) | 3 | 16 | 143 | 5.3 | 47.7 |
| vs. Unranked (AP) | 10 | 53 | 526 | 5.3 | 52.6 |
| vs. FBS (I-A) | 12 | 61 | 589 | 5.1 | 49.1 |
| vs. FCS (I-AA) | 1 | 8 | 80 | 8.0 | 80.0 |
| vs. FBS Winning | 9 | 43 | 398 | 4.8 | 44.2 |
| vs. FBS Non-Winning | 3 | 18 | 191 | 6.0 | 63.7 |
| vs. FBS Power 5 | 10 | 51 | 485 | 5.1 | 48.5 |
| vs. FBS non-Power 5 | 2 | 10 | 104 | 5.0 | 52.0 |
| in August/September | 5 | 26 | 239 | 5.2 | 47.8 |
| in October | 3 | 13 | 123 | 4.3 | 41.0 |
| in November | 4 | 27 | 272 | 6.8 | 68.0 |
| in December/January | 1 | 3 | 35 | 3.0 | 35.0 |