Muck begins his sophomore campaign for Illinois after posting a 4.50 ERA in 10 innings of work as a freshman. He is no stranger to summer collegiate baseball having played with the Lombard Orioles of the Chicago Suburban Baseball League last summer. Muck was named the No. 38 prospect in the state of Illinois by Prep Baseball Report, Pioneer Press North Stars Player of the Year, and Bugle Newspapers Male Athlete of the year as a senior for Maine South High School in 2010. He was also an All-Area selection by the Chicago Sun-Times from 2008-2010 and was also All-Central Suburban Conference pitcher in 2008 and 2009. Muck posted a 12-4 record on the mound with a 2.48 ERA and 113 strikeouts in 80 innings as a senior in 2010. He also broke the single-season strikeouts record for Maine South with 98 during his junior year in 2009, before surpassing his own record his senior year. Muck is a native of Park Ridge, Illinois.