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MARK DUFFNER

Duffner, Mark Stephen
Born: July 19, 1953
High School: Annandale (VA)
YearCollegeStatus
1971William & Mary
1972William & MaryRoster
1973William & MaryRoster
1974William & MaryRoster
Record Key
REGULAR SEASON
YEAR TEAMConferenceDivisionPositionSeqFinishGWLTPCT
1997 Cincinnati Bengals (NFL)1997 CIN NFLAmericanCentralLinebackers416790.438
1998 Cincinnati Bengals (NFL)1998 CIN NFLAmericanCentralLinebackers5163130.188
1999 Cincinnati Bengals (NFL)1999 CIN NFLAmericanCentralLinebackers5164120.250
2000 Cincinnati Bengals (NFL)2000 CIN NFLAmericanCentralLinebackers5164120.250
2001 Cincinnati Bengals (NFL)2001 CIN NFLAmericanCentralDefensive Coordinator/Linebackers6166100.375
2002 Cincinnati Bengals (NFL)2002 CIN NFLAmericanNorthDefensive Coordinator/Linebackers4162140.125
2003 Green Bay Packers (NFL)2003 GB NFLNationalNorthLinebackers1161060.625
2004 Green Bay Packers (NFL)2004 GB NFLNationalNorthLinebackers1161060.625
2005 Green Bay Packers (NFL)2005 GB NFLNationalNorthLinebackers4164120.250
2006 Jacksonville Jaguars (NFL)2006 JAC NFLAmericanSouthLinebackers316880.500
2007 Jacksonville Jaguars (NFL)2007 JAC NFLAmericanSouthLinebackers2161150.688
2008 Jacksonville Jaguars (NFL)2008 JAC NFLAmericanSouthLinebackers4165110.313
2009 Jacksonville Jaguars (NFL)2009 JAC NFLAmericanSouthLinebackers416790.438
2010 Jacksonville Jaguars (NFL)2010 JAC NFLAmericanSouthLinebackers216880.500
2011 Jacksonville Jaguars (NFL)2011 JAC NFLAmericanSouthLinebackers3165110.313
2012 Jacksonville Jaguars (NFL)2012 JAC NFLAmericanSouthLinebackers4162140.125
2013 Jacksonville Jaguars (NFL)2013 JAC NFLAmericanSouthLinebackers3164120.250
2014 Miami Dolphins (NFL)2014 MIA NFLAmericanEastLinebackers316880.500
2015 Miami Dolphins (NFL)2015 MIA NFLAmericanEastLinebackers4166100.375
2016 Tampa Bay Buccaneers (NFL)2016 TB NFLNationalSouthLinebackers216970.563
2017 Tampa Bay Buccaneers (NFL)2017 TB NFLNationalSouthLinebackers4165110.313
2018 Tampa Bay Buccaneers (NFL)2018 TB NFLNationalSouthLinebackers; Defensive Coordinator; 2/24165110.313
2019 Cincinnati Bengals (NFL)2019 CIN NFLAmericanNorthSenior Defensive Assistant4162140.125
2020 Cincinnati Bengals (NFL)2020 CIN NFLAmericanNorthSenior Defensive Assistant4164111.281
2021 Cincinnati Bengals (NFL)2021 CIN NFLAmericanNorthSenior Defensive Assistant1171070.588
2022 Cincinnati Bengals (NFL)2022 CIN NFLAmericanNorthSenior Defensive Assistant1161240.750
2023 Cincinnati Bengals (NFL)2023 CIN NFLAmericanNorthSenior Defensive Assistant417990.529
2024 Cincinnati Bengals (NFL)2024 CIN NFLAmericanNorthSenior Defensive Assistant317980.529
28 Years (NFL)28 Years NFLAssistant Coach4511792721.398
PLAYOFFS
2003 Green Bay Packers (NFL)2003 GB NFLNationalNorthLinebackers211.500
2004 Green Bay Packers (NFL)2004 GB NFLNationalNorthLinebackers101.000
2007 Jacksonville Jaguars (NFL)2007 JAC NFLAmericanSouthLinebackers211.500
2021 Cincinnati Bengals (NFL)2021 CIN NFLAmericanNorthSenior Defensive Assistant431.750
2022 Cincinnati Bengals (NFL)2022 CIN NFLAmericanNorthSenior Defensive Assistant321.667
5 Years (NFL)5 Years NFLAssistant Coach1275.583
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Last Updated: August 23, 2025