Meet our Bronco and Pony Coaches

Coach CJ Doorn (Head Coach 14U Mavericks; Bronco Premiere): CJ has been with MBA for 4 years. He has played baseball for the Perth Heat in Australia, Contra Costa College in Richmond where he was an All-American, and was a member of the 18/U Australian team in 2009. CJ was also the Fresno Grizzlies bullpen catcher  in 2010 for the San Francisco Giants organization. He has coached in both Bronco and Pony divisions for MBA. Leading the 14/U Mavericks to winning MBA’s  first ever 680 League Championship in that age group in 2018. 


Hal Marty (Head Coach 13U Mavericks): As a lifelong resident of the East Bay, Hal has been involved in coaching Youth Baseball for over 40 years. His experience spans coaching Little Leaguers through coaching High School and American Legion athletes. While experienced in all aspects of coaching baseball, Hal also specializes in outfield play, bunting and base running. Hal brings a unique focus to coaching baseball with techniques, drills and expectations that put players in a position to help their team succeed while earning playing time in very competitive environments. During his tenure as Assistant Head Coach at Campolindo High School the Team won a record 4 straight NCS Titles while sending over a dozen players to Division I, Division II and Division III College programs.


Coach Evan Spatafore (Head Coach 12U Mavericks): Evan grew up in Danville, California and attended San Ramon Valley High school. Through his adolescent years, he played travel ball for the Slammers, TABU and the Danville Hoots. After his completion of HS and played baseball at Los Medanos College as a utility player with a passion for the infield. Eventually, he hung up his cleats to further his education at St Marys College of California. In his free time, he enjoys playing golf and hanging out with friends and family.


Coach Jonathan Pluth (Head Coach 11U Mavericks): 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.


Coach Dave Manousos (Pony Wildcats; Bronco Premiere): Dave played baseball up to the age of 35 at the Independent/Semi-Pro level. Growing up in Oakland, he started his career in CYO Baseball for 8 years, spent summers in Oakland Little League and played in high school at Bishop O’Dowd and Amador High School prior to his Semi-Pro career. Dave’s love of baseball and his even greater love to share his passion for the game with the younger generation lead him to coaching for Moraga Baseball for the past 15 years. 8 of those years were spent at the Maverick level preparing players for high school baseball and beyond. Dave brings so much to the game from situational awareness, fielding, baserunning, and hitting. Dave's specialty is breaking down the mechanics of hitting. For the past 9 years Dave has subscribed to the techniques of 2 time World Series Champion and former 1989 Oakland A’s Hitting Instructor, legendary Merv Rettenmund. Utilizing these techniques taught by one of the games most respected hitting instructors. Dave increased his knowledge of mastering proper mechanics, pitch recognition and the importance of mental preparedness.