Mark Duffner

Not currently on a staff.

Career

14 stints

1970s
- 1975–1976Ohio StateGraduate Assistant
- 1978CincinnatiDefensive Coordinator
- 1979CincinnatiAssistant Coach
1980s
- 1981–1985Holy CrossDefensive Coordinator
- 1986–1991Holy CrossHead Coach
1990s
- 1992–1996MarylandHead Coach
- 1997–2000Cincinnati BengalsLinebackers
2000s
- 2001–2002Cincinnati BengalsDefensive CoordinatorLinebackers
- 2003–2005Green Bay PackersLinebackers
- 2006–2013Jacksonville JaguarsLinebackers
2010s
- 2014–2015Miami DolphinsLinebackers
- 2016–2017Tampa Bay BuccaneersLinebackers
- 2018Tampa Bay BuccaneersDefensive CoordinatorLinebackers
- 2019–2024Cincinnati BengalsDefensive Assistant

9 mentors · 8 protégés · 4 branches

MentorsProtégés

Became a head coachShowing up to 5 per row

Drawing the tree…

Coach	Link	Seasons
Coached under 21
Robert Livingston	Coached under at Cincinnati Bengals	2019–2023
Zac Taylor	Coached under at Cincinnati Bengals	2019–2024
Dirk Koetter	Coached under at Tampa Bay Buccaneers	2016–2018
Joe Philbin	Coached under at Miami Dolphins	2014–2015
Gus Bradley	Coached under at Jacksonville Jaguars	2013
Jack Del Rio	Coached under at Jacksonville Jaguars	2006–2011
Mike Sherman	Coached under at Green Bay Packers	2003–2005
Kevin Coyle	Mentored at Maryland	1994–1996
13 more, most recent shown first.
Succeeded 7
Brian VanGorder	Succeeded at Jacksonville Jaguars	2006
Bo Pelini	Succeeded at Green Bay Packers	2003
Ron Vanderlinden	Succeeded by at Maryland	1997
Joe Krivak	Succeeded at Maryland	1992
Peter Vaas	Succeeded by at Holy Cross	1992
Charles Coe	Succeeded at Cincinnati	1979
Kevin Rogers	Succeeded by

Nothing on the wire for Mark Duffner. The wire carries moves published since the register went live; the career above is the record before that.

48 seasons, longest first

3 of 5 coordinators became head coaches