Mississippi Valley Mayhem has released its 2013 bout schedule for season 5. Sat, Feb 16, 2013 AWAY @ MedCity Mafia, Rochester, MN Sat, April 20, 2013 HOME vs North Star Supernovas @ Green Island Sat, May 4, 2013 HOME vs Rockford Rage @ Green Island Sat, May 18, 2013 AWAY @ Iron Range Maidens, Grand ...