Not currently on a staff.
Drawing the tree…
Nothing on the wire for Scott O'Brien. The wire carries moves published since the register went live; the career above is the record before that.
33 seasons, longest first
| Coach | Link | Seasons |
|---|---|---|
| Coached under 10 | ||
| Bill Belichick | Coached under at New England Patriots | 2009–2014 |
| Dante Scarnecchia | Coached under at New England Patriots | 2009–2014 |
| Mike Shanahan | Coached under at Denver Broncos | 2007–2008 |
| John Fox | Coached under at Carolina Panthers | 2002–2004 |
| George Seifert | Coached under at Carolina Panthers | 1999–2001 |
| Bill Belichick | Coached under at Cleveland Browns | 1991–1995 |
| Paul Hackett | Coached under at Pittsburgh | 1990 |
| Mike Gottfried | Coached under at Pittsburgh | 1987–1989 |
| 2 more, most recent shown first. | ||
| Succeeded 6 | ||
| Joe Judge | Succeeded by at New England Patriots | 2015 |
| Brad Seely | Succeeded at New England Patriots | 2009 |
| Ronnie Bradford | Succeeded at Denver Broncos | 2007 |
| Chuck Jones | Succeeded by at Pittsburgh | 1991 |
| Frank D'Alonzo | Succeeded at Pittsburgh | 1990 |
| Tyrone Willingham | Succeeded by at Rice | 1986 |