Hoechlin began playing baseball at the age of seven. He played throughout high school, playing in the Area Code Games in both 2004 and 2005. He earned a scholarship to Arizona State University, where he played infield, and the team made it to the College World Series in Omaha, Nebraska. In 2008, after a year at Arizona State, he transferred to the University of California, Irvine. He played infield as a second baseman for the UC Irvine Anteaters. During this time, he also played in collegiate summer leagues.