Mike Zimmer Mike Zimmer, the former head coach of Vikings, is joining the Cowboys as their defensive coordinator 10 months ago Mike Zimmer has returned to the NFL, the place where it all started. NFL Network Insider Tom Pelissero said that… For Kansas City Why This Won’t Be Simple : Vikings VS. Chiefs 5 years ago The Chiefs plan to have Patrick Mahomes back under community for Sunday's home game against the Vikings after the star…