PETERSON — Sioux Central has proven they are one of the top teams in Class 2A for softball all season long; they advanced to the Class 2A-2 Regional Semifinal and will host another playoff game Friday at Peterson Brooke Memorial Field. The Rebels will be playing MVAOCOU at 7 p.m. for a chance to face Missouri Valley or Treynor in the Regional Final, with a chance for state on the line. The win was the 12th straight for Sioux Central and their 17th win in the last 18 contests.