Kyle Zimmer, the Royals' first-round pick in the 2012 First-Year Player Draft and No. 2 prospect, won his debut with Double-A Northwest Arkansas on Saturday with six scoreless innings. He had seven strikeouts and one walk with three hits in the Naturals' 3-1 victory against the Springfield Cardinals.
Dick Kaegel is a reporter for MLB.com. Kathleen Gier is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.