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The Miami Dolphins have announced that Dan Campbell is their new interim head coach, replacing the fired Joe Philbin.

Campbell has been the Dolphins’ tight ends coach for the last five years. He was initially brought to the staff by former head coach Tony Sparano, who first hired him as a coaching intern in 2010, and was retained by Philbin.

The 39-year-old Campbell played in the NFL for 11 seasons with the Giants, Cowboys, Lions and Saints. He was a favorite of Bill Parcells, who coached Campbell with the Cowboys and was the Dolphins’ Executive V.P. of Football Operations when Campbell first joined the team as a coaching intern.

Campbell has a tough job ahead of him, taking over a 1-3 team that has had reports of dissension within the locker room. It is unknown whether Campbell will make any other changes on the coaching staff, but this is clearly a team in need of a shakeup, and that will be Campbell’s job.