Doyle is completing his junior year with the Wildcats, where he did not make an appearance because of an arm injury. As a sophomore, Doyle did not have a decision and turned in a 4.50 ERA with six strikeouts in four innings of work. He was named South Coast Player of the Year as senior at El Toro High School in 2007. Doyle holds school records for ERA, doubles and hits. He was a National Honor Society member and graduated from high school with a 4.4 GPA.