Eric Mangini coached in the NFL from 1997 to 2015, spanning 16 seasons with 4 organizations. He served as head coach of the Cleveland Browns and New York Jets. His roles included Defensive Coordinator, Tight Ends, Defensive Backs, and Defensive Quality Control. He worked under Bill Belichick, Bill Parcells, and Jim Harbaugh. 4 of his former assistants went on to become NFL head coaches.

Coaching Tree

Head Coach Offense Defense Special Teams General

Career Timeline

Career History

Year	Team	Role(s)
2015	San Francisco 49ers	Defensive Coordinator under Jim Tomsula
2014	San Francisco 49ers	Tight Ends under Jim Harbaugh
2010	Cleveland Browns	Head Coach HC
2009	Cleveland Browns	Head Coach HC
2008	New York Jets	Head Coach HC
2007	New York Jets	Head Coach HC
2006	New York Jets	Head Coach HC
2005	New England Patriots	Defensive Coordinator under Bill Belichick
2004	New England Patriots	Defensive Backs under Bill Belichick
2003	New England Patriots	Defensive Backs under Bill Belichick
2002	New England Patriots	Defensive Backs under Bill Belichick
2001	New England Patriots	Defensive Backs under Bill Belichick
2000	New England Patriots	Defensive Backs under Bill Belichick
1999	New York Jets	Defensive Quality Control under Bill Parcells
1998	New York Jets	Defensive Quality Control under Bill Parcells
1997	New York Jets	Defensive Quality Control under Bill Parcells

Worked Under (4)

Coach	Team	Years
Bill Belichick	New England Patriots	6
Bill Parcells	New York Jets	3
Jim Harbaugh	San Francisco 49ers	1
Jim Tomsula	San Francisco 49ers	1

Protégés (4)

Coach	First HC Job	Year
Dan Quinn	Atlanta Falcons	2015
Brian Daboll	New York Giants	2022
Matt Eberflus	Chicago Bears	2022
Brian Schottenheimer	Dallas Cowboys	2025