Jacksonville Jaguars linebackers coach Mark Duffner is leaving the North Florida franchise to take the same position with the Miami Dolphins in South Florida, according to a report from Florida Time-Union Jaguars beat writer Ryan O'Halloran. Duffner has been with the Jaguars since 2006.
Duffner has worked under three different coaching regimes in Jacksonville, starting with Jack Del Rio, through Mike Mularkey, and last season with Gus Bradley. Prior to moving to the Jaguars, Duffner was the Green Bay Packers' linebackers coach, working on the same staff with Dolphins head coach Joe Philbin. Duffner entered the NFL with the Cincinnati Bengals in 1997, holding their linebackers coach position through 2002, adding defensive coordinator responsibilities for the 2001 and 2002 seasons.
Before his work in Cincinnati, Duffner had spent 22 years at the college level. He started in 1975 at Ohio State as a graduate assistant, before being named the defensive coordinator at Cincinnati in 1977. In 1981, Duffner moved to Holy Cross as their defensive coordinator and was promoted to the team's head coach in 1986. His final college position was from 1992 to 2996 as the head coach at Maryland.
With the hire, the Dolphins' coaching staff is complete. However, the team is still looking to hire a new General Manager to replace Jeff Ireland. Seven candidates have been interviewed for the vacancy, though no finalists have been officially named.
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