Coaches / Position coach / Dan O'Brien
Career
56
not coaching now
Rating56recent
Peak68best 5 yrs
Career56whole career
confidence
Dan O'Brien
Linebackers · Boston College
Headline rating: as position coach · defensive backs. Every role he has been rated in is below.
Chemistry
—
index in development
Seasons here3
Programs5
Stints8
Career path
Head-coaching stints since 1936; assistant roles since 2016
As defensive coordinator
Rating55Peak55
His defense against its preseason projection (value over expectation) and the unit's opponent-adjusted quality.
| Season | Team | Unit (EPA/play) | Over expectation | Season score |
|---|---|---|---|---|
| 2023 | Southern Miss | -0.06 | -0.07 | -0.92 |
Season score: 0 = an average season in this role; positive = better.
As position coach · defensive backs
Rating56Peak68
Room quality, development (his players gaining more than typical players at the position year to year) and recruiting credit.
| Season | Team | Room | Room quality | Development | Recruiting | Season score |
|---|---|---|---|---|---|---|
| 2025 | Boston College | Linebackers | 70 | -2.5 | 0.873 | -0.33 |
| 2024 | Boston College | Linebackers | 71 | +9.3 | 0.874 | 0.60 |
| 2022 | Southern Miss | Defensive backs | 75 | -3.3 | 0.825 | -0.38 |
| 2021 | Southern Miss | Defensive backs | 73 | +2.4 | — | 0.07 |
| 2018 | Navy | Defensive backs | 67 | -2.2 | 0.778 | -1.11 |
| 2017 | Navy | Defensive line | 62 | -3.3 | 0.777 | -1.32 |
| 2016 | Navy | Defensive line | 67 | — | 0.791 | -0.75 |
Season score: 0 = an average season in this role; positive = better.