has a new gig inside the NFC East. The have hired the former offensive coordinator to coach Washington's offensive line, the team announced Wednesday. NFL Media Insider Ian Rapoport reported Callahan signed a three-year deal, according to a source informed of the situation. Callahan was set to leave Dallas after the team to the coordinator role on Thursday. The ' lo s is Washington's gain. Callahan -- who doubled as the Dallas O-line coach Byung-ho Park Jersey -- is one of the NFL's top a sistants, praised by many for building 's front five into one of the league's finest in 2014. The could use Callahan's help after allowing a whopping 58 sacks this season, second most in the league. Callahan's link to is clear after spending four seasons with Jon Gruden as an a sistant with the . He later went on to a succe sful stint with the . After Scot McCloughan as general manager and adding Callahan to the fray, this is shaping up as a nice offseason for a team desperately in need of hope. The latest Podcast and makes our 'overly confident' calls for Championship Sunday. Find more content on . Tim Beckham Jersey