The Dallas Cowboys will bring back Mike Zimmer as their defensive coordinator, multiple outlets reported Monday, 18 years after he last held the position with the franchise.Zimmer, 67, was head coach of the Minnesota Vikings from 2014-21 and has worked the past two years as an analyst/consultant for Deion Sanders, first at Jackson State and then at Colorado last year.Zimmer returns to the Cowboys where he was an assistant coach from 1994-2006, first as a coach of the secondary then as defensive coordinator from 2000-06. After leaving the Cowboys, Zimmer was a DC for the Atlanta Falcons (2007) and Cincinnati Bengals (2008-13) before he was hired by the Vikings.”I’m excited and honored to be back with a great organization,” Zimmer told ESPN. “I’m thrilled to work with (head coach) Mike McCarthy, for whom I have had a ton of respect in our NFC North days, and to do anything I can do to help (owner Jerry Jones) and the Cowboys.”