Meet our Coaches

Spring 2023 Coaches

Coach Bob Ralston

Bob Ralston, former Head College and High School Baseball Coach, will continue to help the Moraga Baseball Association. Ralston has Managed or Coached at every level of Baseball including Clayton Valley HS, Diablo ValleyCollege, Cal State East Bay, Cal Berkeley and the Chicago Cubs organization. Prior to coaching, Ralston was selected by Baseball America as a First Team All-American at the University of Arizona. Ralston played seven seasons as a middle infielder in the Minnesota Twins and Oakland A’s organization.


Coach Jonathan Pluth: Jonathan graduated from Concord High School in 2015 where he played four years of varsity baseball, earning first-team all-league three out of the four years for the Diablo Valley League.  He went on to play at Los Medanos Community College in Pittsburg, California, where he started his two years at second-base, earning an honorable mention award and All-State Academic team his sophomore year.  Jonathan transferred from Los Medanos to Mayville State University, North Dakota, playing his final two years for the Comets.  At Mayville State, Jonathan earned first-team all-league his junior year and honorable mention his senior year, along with a conference championship his junior year with a 32-13 record. JP will be coaching the 13U Maverick Team this Spring.