Mark Duffner

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Mark Duffner
Sport(s) Football
Current position
Title Linebackers coach
Team Miami Dolphins
Biographical details
Born (1953-07-19) July 19, 1953 (age 62)
Annandale, Virginia
Alma mater William & Mary
Playing career
1972–1974 William & Mary
Position(s) Defensive lineman
Coaching career (HC unless noted)
1975–1976 Ohio State (GA)
1977–1980 Cincinnati (DC)
1981–1985 Holy Cross (DC)
1986–1991 Holy Cross
1992–1996 Maryland
1997–2000 Cincinnati Bengals (LB)
2001–2002 Cincinnati Bengals (DC/LB)
2003–2005 Green Bay Packers (LB)
2006–2013 Jacksonville Jaguars (LB)
2014–present Miami Dolphins (LB)
Head coaching record
Overall 80–40–1
Accomplishments and honors
Eddie Robinson Award (1987)
AFCA Division I-AA Coach of the Year (1987)

Mark Duffner (born July 19, 1953) is an American football coach and current linebackers coach for the Miami Dolphins. He served as the head coach of the Maryland Terrapins football team from 1992 to 1996.

Prior to Maryland, Duffner served as the head coach at Holy Cross where he compiled a 60–5–1 record. At Maryland, Duffner compiled a 20–35 record with no bowl game appearances. Duffner's only winning season came in 1995 when the Terps finished with a 6–5 record and started with four consecutive wins. His most important legacy at Maryland has been in the record books where most of the longstanding single game, season, and career passing and receiving record were broken during his tenure. This was due to the implementation of his "run and shoot" offense and quarterbacks John Kaleo, Scott Milanovich, and Brian Cummings. However, his teams were notoriously weak on defense. The Terps gave up points so quickly that even their prolific offense couldn't keep up.[1]

After leaving Maryland, Duffner became an assistant with the Cincinnati Bengals from 1997 to 2002, where he served as linebackers coach and then defensive coordinator. From 2003 to 2005, he served with the Green Bay Packers. In early 2006, he was signed by the Jacksonville Jaguars as the linebackers coach. He was hired by the Miami Dolphins in January to be their LB Coach for the 2014 season.

Head coaching record[edit]

Year Team Overall Conference Standing Bowl/playoffs Coaches# AP°
Holy Cross Crusaders (Patriot League) (1986–1991)
1986 Holy Cross 10–1 4–0 1st
1987 Holy Cross 11–0 4–0 1st
1988 Holy Cross 9–2 3–1
1989 Holy Cross 10–1 4–0 1st
1990 Holy Cross 9–1–1 5–0 1st
1991 Holy Cross 11–0 5–0 1st
Holy Cross: 60–5–1 25–1
Maryland Terrapins (Atlantic Coast Conference) (1992–1996)
1992 Maryland 3–8 2–6 8th
1993 Maryland 2–9 2–6 T–7th
1994 Maryland 4–7 2–6 7th
1995 Maryland 6–5 4–4 T–5th
1996 Maryland 5–6 3–5 T–6th
Maryland: 20–35 13–27
Total: 80–40–1
      National championship         Conference title         Conference division title
Indicates Bowl Coalition, Bowl Alliance, BCS, or CFP / New Years' Six bowl.
#Rankings from final Coaches Poll.
°Rankings from final AP Poll.


Sporting positions
Preceded by
Dick LeBeau
Cincinnati Bengals Defensive Coordinators
Succeeded by
Leslie Frazier