BPA Facility Staff

The BPA facility staff is a well rounded team of professionals with broad baseball backgrounds ranging from  instructors to coaches to players. BPA believes in fostering baseball growth and has a front house full of aspiring young adult baseball players whose passion for the game extends into a strong work ethic at the facility.


Eric Castro, Baseball Hitting InstructorErik Castro

Drafted in the 10th round by the Houston Astros in 2009, Erik played 6 seasons of professional baseball (2009-2014) for The Houston Astros and Atlanta Braves. Over the 2012-2013 seasons, Erik launched 45 HR, drove in 173 runs, while hitting at a .283 clip.  Erik now runs the day to day operations at BPA, is the Director of Team Operations for BPA San Diego and is a player advisor for PSI Sports Management.

Erik grew up in North San Diego County where he played at CYB as a youth player. After playing four years of Varsity baseball for Coach Matt Parker at Fallbrook High School, Erik played college ball at University of Arizona and SDSU under head coach, Tony Gywnn, and was an All-Mountain West selection in 2009.

Sonny Merlo


James Hayashi

James is the Varsity Assistant Coach at Sage Creek High School. For the past two years, James was the JV head coach at Rancho Buena Vista High School, where for both years he led the team to records over .500.   James has also coached with the Vista Eagles, and other elite club teams all whom he led to many championships. Many of his players now play at the collegiate and professional levels. James is a BPA College Development Program coach.

James is the owner of So Cal Sporting Goods, LLC located on site at BPA San Diego.  So Cal Sporting Goods specializes in all Mizuno baseball, fastpitch softball, and volleyball products, and also produces uniforms and hats for club and little league teams.

Tim LearyTimothy Leary

Tim played professionally in Australia in 2014-2015, was a college standout at Westmont College (09-12) and Southwestern College (08-09) and played competitive baseball throughout high school at Coronado High. He is the current leader for multiple season and career offensive records at Westmont, was on the 2012 All GSAC team and was a NAIA Honorable mention All American.  Tim has his B.S. in Kinesiology and is currently studying for his C.S.C.S.  He is a BPA Team and a Strength and Conditioning coach.

Dom Calabria

Left-handed pitcher and first baseman, Dom played varsity ball in Las Vegas and spent his high school summers playing competitive baseball across the country for multiple scout teams. After graduating, Dom pitched for Ventura College until three arm surgeries cut his playing time short. While rehabbing, he found a passion for physical therapy and ended up working in the PT field.  Dom applies his vast PT knowledge and experience to BPA athletes to help prevent potential injuries.  Dom was the assistant JV baseball coach at Rancho Buena Vista High School in 2015. Dom runs BPA’s Sunday Prep Program.

 Jose BalderasJose Balderas

Jose has been coaching baseball around the North County community for 13 years. He will be entering his 9th season with the La Costa Canyon High School Baseball program and he is the Founder/Director of the youth development North County Mavericks Baseball Club.  Jose is an owner of BPA San Diego.



Front Desk

  • Chano Paloma
  • Max Marinez
  • Nick Naccarato
  • Dom Calabria
  • Jacob Widner