
25 Years of Baseball Excellence
Former MLB Scout • U.S. Air Force Veteran • Baseball Developer
Eddie Marrero is a baseball developer and talent evaluator with a career spanning 25 years. He specializes in training, scouting, and high-performance player development.
"From working alongside Hall of Famer Barry Larkin to scouting for the Baltimore Orioles, Eddie brings unparalleled professional experience to every training session."
Eddie began his professional journey at Champions Sports Plex in Windermere, Florida, working alongside Hall of Famer Barry Larkin and Cincinnati scouting executive Terry Abbott. This foundation set the stage for a remarkable career in baseball development.
In 2010, he joined the American Baseball Institute at the former Philadelphia Phillies spring training complex, where he honed his expertise in professional player development systems. By 2012, Eddie acquired and rebranded the program as ProBound USA Baseball.
That same year marked another milestone: Eddie became an associate scout with the Baltimore Orioles under pro scout Jim Thrift, cementing his connection to Major League Baseball.
Through ProBound USA, Eddie has trained professional free agents and standout collegiate players, with a focus on rehab, return-to-play, and data-informed skill development. His staffs have included former MLB players, veteran scouts, and coaches.
Eddie later partnered with ASPI (Advanced Science Performance Institute) alongside former NFL wide receiver Yo Murphy to expand biomechanical and performance resources, bringing cutting-edge analytics and sports science to baseball training.
Over the years, Eddie has worked with or thrown BP to numerous MLB stars, including:
Eddie was trained by former MLB players and coaches Ray Burris, Carlos Arroyo, and Steve Schrenk, learning from the best in the game.
A U.S. Air Force veteran and former police officer, Eddie brings discipline and professionalism to every clubhouse and facility. His military and law enforcement background instills a culture of respect, accountability, and excellence.
Eddie and his wife of 30 years, Patricia Marrero Grandone, have two children who embody the ProBound USA success story:
Military and law enforcement background brings structure, accountability, and professional clubhouse standards to every session.
Advanced biomechanics through ASPI partnership. Every movement is analyzed and optimized using cutting-edge sports science.
Focus on rehab, return-to-play, and long-term player development. Your growth is the mission, from youth to professional level.
Began career working with Hall of Famer Barry Larkin and Terry Abbott in Windermere, Florida
Joined at the former Philadelphia Phillies spring training complex
Acquired and rebranded the program as ProBound USA Baseball
Became associate scout with the Baltimore Orioles under Jim Thrift
Operating 3+ facilities serving 400+ players annually with continued growth
Experience the same level of training that has developed national champions, MLB draft picks, and countless successful players.