Pro Football Hall of Fame coach Tony Dungy has formally endorsed Michele Tafoya as the Republican candidate in the Minnesota primary for a U.S. Senate seat.And this one makes sense.Dungy knows Tafoya well because both worked together for over a decade on the NBC Sunday Night Football telecast — Dungy as an analyst and Tafoya as the sideline reporter.It also makes sense because despite their stints in the media covering the NFL, both are conserva…