Mitchell Mustain (born February 27, 1988) is a professional baseball player who is currently in the Chicago White Sox farm system. He did not play baseball in college, opting instead to pursue a football career. He played baseball at Springdale High School in Springdale, Arkansas, and football under present University of Auburn head football coach Gus Malzahn. Mustain also played college football at USC. Mustain played his freshman year of college football at the University of Arkansas in 2006 before transferring to USC in 2007. Under NCAA transfer rules, he sat out the 2007 season and started playing for USC in the 2008 season.
Mustain was one of the most highly decorated high school football players in history, winning every national player of the year award, and was recruited by nearly every major college football program in the United States during the 2005-2006 school year. He played sparingly in his first game at Arkansas, but was named the starting quarterback by the second game of the season and achieved a record of 8–0 as a true freshman starter.
Since junior high school, Mustain has accumulated a record of 61–3 (.953) as a starting quarterback (9–1 in eighth grade in 2001, 9–0 in both ninth grade in 2002 and 10th grade in 2003, 12–1 in 11th grade in 2004, 14–0 in 12th grade in 2005, 8–0 as a freshman at Arkansas in 2006, 0–1 in 2010 at USC).