Former Vikings head coach Mike Zimmer is likely to retire from coaching in the NFL, according to veteran reporter Ed Werder. Zimmer spent last season as the Cowboys' defensive coordinator under Mike McCarthy but is not returning to Dallas on new head coach Brian Schottenheimer's staff.

Mike Zimmer, who spent last season as the Dallas Cowboys' defensive coordinator, said he will not be returning to the team on new head coach Brian Schottenheimer's staff and likely will retire from coaching in the NFL,

Unfortunately, we won't get to see him build upon the success he had. Zimmer told Ed Werder of ESPN that he won't be returning as a member of Brian Schottenheimer's staff. While that seemed to be the case from the moment Schottenheimer was hired,