MARK DUFFNERDuffner, Mark StephenBorn: July 19, 1953 High School: Annandale (VA) |
| Year | College | Status |
|---|---|---|
| 1971 | William & Mary | |
| 1972 | William & Mary | Roster |
| 1973 | William & Mary | Roster |
| 1974 | William & Mary | Roster |
| REGULAR SEASON | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| YEAR TEAM | Conference | Division | Position | Seq | Finish | G | W | L | T | PCT |
| 1997 Cincinnati Bengals (NFL)1997 CIN NFL | American | Central | Linebackers | 4 | 16 | 7 | 9 | 0 | .438 | |
| 1998 Cincinnati Bengals (NFL)1998 CIN NFL | American | Central | Linebackers | 5 | 16 | 3 | 13 | 0 | .188 | |
| 1999 Cincinnati Bengals (NFL)1999 CIN NFL | American | Central | Linebackers | 5 | 16 | 4 | 12 | 0 | .250 | |
| 2000 Cincinnati Bengals (NFL)2000 CIN NFL | American | Central | Linebackers | 5 | 16 | 4 | 12 | 0 | .250 | |
| 2001 Cincinnati Bengals (NFL)2001 CIN NFL | American | Central | Defensive Coordinator/Linebackers | 6 | 16 | 6 | 10 | 0 | .375 | |
| 2002 Cincinnati Bengals (NFL)2002 CIN NFL | American | North | Defensive Coordinator/Linebackers | 4 | 16 | 2 | 14 | 0 | .125 | |
| 2003 Green Bay Packers (NFL)2003 GB NFL | National | North | Linebackers | 1 | 16 | 10 | 6 | 0 | .625 | |
| 2004 Green Bay Packers (NFL)2004 GB NFL | National | North | Linebackers | 1 | 16 | 10 | 6 | 0 | .625 | |
| 2005 Green Bay Packers (NFL)2005 GB NFL | National | North | Linebackers | 4 | 16 | 4 | 12 | 0 | .250 | |
| 2006 Jacksonville Jaguars (NFL)2006 JAC NFL | American | South | Linebackers | 3 | 16 | 8 | 8 | 0 | .500 | |
| 2007 Jacksonville Jaguars (NFL)2007 JAC NFL | American | South | Linebackers | 2 | 16 | 11 | 5 | 0 | .688 | |
| 2008 Jacksonville Jaguars (NFL)2008 JAC NFL | American | South | Linebackers | 4 | 16 | 5 | 11 | 0 | .313 | |
| 2009 Jacksonville Jaguars (NFL)2009 JAC NFL | American | South | Linebackers | 4 | 16 | 7 | 9 | 0 | .438 | |
| 2010 Jacksonville Jaguars (NFL)2010 JAC NFL | American | South | Linebackers | 2 | 16 | 8 | 8 | 0 | .500 | |
| 2011 Jacksonville Jaguars (NFL)2011 JAC NFL | American | South | Linebackers | 3 | 16 | 5 | 11 | 0 | .313 | |
| 2012 Jacksonville Jaguars (NFL)2012 JAC NFL | American | South | Linebackers | 4 | 16 | 2 | 14 | 0 | .125 | |
| 2013 Jacksonville Jaguars (NFL)2013 JAC NFL | American | South | Linebackers | 3 | 16 | 4 | 12 | 0 | .250 | |
| 2014 Miami Dolphins (NFL)2014 MIA NFL | American | East | Linebackers | 3 | 16 | 8 | 8 | 0 | .500 | |
| 2015 Miami Dolphins (NFL)2015 MIA NFL | American | East | Linebackers | 4 | 16 | 6 | 10 | 0 | .375 | |
| 2016 Tampa Bay Buccaneers (NFL)2016 TB NFL | National | South | Linebackers | 2 | 16 | 9 | 7 | 0 | .563 | |
| 2017 Tampa Bay Buccaneers (NFL)2017 TB NFL | National | South | Linebackers | 4 | 16 | 5 | 11 | 0 | .313 | |
| 2018 Tampa Bay Buccaneers (NFL)2018 TB NFL | National | South | Linebackers; Defensive Coordinator | ; 2/2 | 4 | 16 | 5 | 11 | 0 | .313 |
| 2019 Cincinnati Bengals (NFL)2019 CIN NFL | American | North | Senior Defensive Assistant | 4 | 16 | 2 | 14 | 0 | .125 | |
| 2020 Cincinnati Bengals (NFL)2020 CIN NFL | American | North | Senior Defensive Assistant | 4 | 16 | 4 | 11 | 1 | .281 | |
| 2021 Cincinnati Bengals (NFL)2021 CIN NFL | American | North | Senior Defensive Assistant | 1 | 17 | 10 | 7 | 0 | .588 | |
| 2022 Cincinnati Bengals (NFL)2022 CIN NFL | American | North | Senior Defensive Assistant | 1 | 16 | 12 | 4 | 0 | .750 | |
| 2023 Cincinnati Bengals (NFL)2023 CIN NFL | American | North | Senior Defensive Assistant | 4 | 17 | 9 | 9 | 0 | .529 | |
| 2024 Cincinnati Bengals (NFL)2024 CIN NFL | American | North | Senior Defensive Assistant | 3 | 17 | 9 | 8 | 0 | .529 | |
| 28 Years (NFL)28 Years NFL | Assistant Coach | 451 | 179 | 272 | 1 | .398 | ||||
| PLAYOFFS | ||||||||||
| 2003 Green Bay Packers (NFL)2003 GB NFL | National | North | Linebackers | 2 | 1 | 1 | .500 | |||
| 2004 Green Bay Packers (NFL)2004 GB NFL | National | North | Linebackers | 1 | 0 | 1 | .000 | |||
| 2007 Jacksonville Jaguars (NFL)2007 JAC NFL | American | South | Linebackers | 2 | 1 | 1 | .500 | |||
| 2021 Cincinnati Bengals (NFL)2021 CIN NFL | American | North | Senior Defensive Assistant | 4 | 3 | 1 | .750 | |||
| 2022 Cincinnati Bengals (NFL)2022 CIN NFL | American | North | Senior Defensive Assistant | 3 | 2 | 1 | .667 | |||
| 5 Years (NFL)5 Years NFL | Assistant Coach | 12 | 7 | 5 | .583 | |||||
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| Last Updated: August 23, 2025 |