Coach Andrew Riddle has been a part of the El Diamante Baseball Coaching Staff since 2015 and took over as Varsity Head Coach in 2022. In that time, the Miners hold a record of 32-16-1 while winning their first Division 1 playoff game in school history in 2023.

Coach Riddle is a 2002 graduate of Mt. Whitney High School and went on to become a pitcher at Vanguard University of Southern California from 2005-2007. There he met his wife Lauren and they have two children, Avery and Declan.