2018 Oregon Ducks Opponent Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 77 | 583 | 5.9 | 44.8 |
| at Home | 7 | 45 | 305 | 6.4 | 43.6 |
| on Road/Neutral Site | 6 | 32 | 278 | 5.3 | 46.3 |
| in Wins | 9 | 53 | 374 | 5.9 | 41.6 |
| in Losses | 4 | 24 | 209 | 6.0 | 52.3 |
| vs. Conference | 9 | 56 | 418 | 6.2 | 46.4 |
| vs. Non-Conference | 4 | 21 | 165 | 5.3 | 41.3 |
| vs. Ranked (AP) | 2 | 10 | 93 | 5.0 | 46.5 |
| vs. Unranked (AP) | 11 | 67 | 490 | 6.1 | 44.5 |
| vs. FBS (I-A) | 12 | 69 | 528 | 5.8 | 44.0 |
| vs. FCS (I-AA) | 1 | 8 | 55 | 8.0 | 55.0 |
| vs. FBS Winning | 7 | 35 | 256 | 5.0 | 36.6 |
| vs. FBS Non-Winning | 5 | 34 | 272 | 6.8 | 54.4 |
| vs. FBS Power 5 | 10 | 61 | 453 | 6.1 | 45.3 |
| vs. FBS non-Power 5 | 2 | 8 | 75 | 4.0 | 37.5 |
| in August/September | 5 | 25 | 183 | 5.0 | 36.6 |
| in October | 3 | 21 | 199 | 7.0 | 66.3 |
| in November | 4 | 26 | 166 | 6.5 | 41.5 |
| in December/January | 1 | 5 | 35 | 5.0 | 35.0 |