John Walsh -- America's Most Wanted Polo Player 4/25/2011 7:45 AM PT "America's Most Wanted" host John Walsh jockeyed for position this weekend ... by participating in a polo match in Miami Beach. The 65-year-old is back in the saddle again. Share on Facebook Share on X See also John Walsh Sued for Calling Inmate a 'Snitch' John Walsh TMZ Sports Paparazzi Photo