Corey Tremble
Corey begins his first year with the Miami Marlins overseeing the organization’s Sports Medicine Department as the Director of Athletic Training and Rehabilitation. Prior to joining the Marlins, Tremble spent 17 years with the Detroit Tigers as both a minor league athletic trainer and the Minor League Medical Coordinator and one season as the Director of Minor League Medical Operations for the Texas Rangers. After completing his undergraduate degree at Florida Southern College and a graduate assistantship at the University of South Florida, Tremble began his journey in professional baseball. The New Jersey native completed his Doctor of Athletic Training degree at Florida International University in 2024 with an emphasis on Academic and Entrepreneurial Leadership. His passion for advocacy of the profession has earned him back-to-back PBATS Medical Coordinator of the Year Awards, the Professional Sports Athletic Trainer of the Year Award from the Athletic Training Association of Florida, and the Detroit Tigers Player Development Person of the Year Award (Dwight Lowry Award). On the field, he had the honor of being named to the staff of the 2021 and 2023 MLB All-Star Futures Games. Tremble currently serves as the Chair of the National Athletic Trainers’ Association Cannabis-Related Resources for the Athletic Trainer Task Force, a member of the MLB/PBATS Electronic Medical Records Committee, and heads various PBATS initiatives. Tremble resides in Michigan with his wife, Joanna.
LJ Petra
L.J enters his first season as the Head Athletic Trainer for the Marlins, having previously spent the last five years as the Assistant ATC with the San Francisco Giants. Prior to the Major Leagues, L.J was the Minor League Medical Coordinator for the Giants from 2018 to 2020 and worked as a Minor League ATC from 2009-2017. He also has experience with Latin American baseball, serving as the Head of Health and Safety Protocols for the Liga de Beisbol Dominicano during the 2020 winter league, and was the Head Athletic Trainer for Tiburones de la Guaira of the Venezuelan Winter League in 2013. Prior to the Giants, L.J worked with the Baltimore Orioles organization as the Head Strength and Conditioning Coach for the Bowie Baysox from 2007-2008. He has enjoyed speaking engagements with the San Francisco Giants Sports Medicine Conference, Sacramento State University, the University of Connecticut, Sacred Heart University, the California Physical Therapy Association, and the California Concussion Institute. L.J received his Bachelors degree in Sports Medicine from the University of Connecticut in 2004 and in 2024 received his Masters Degree in High Performance Sports from Australian Catholic University. L.J also holds certifications with the National Strength and Conditioning Association and the National Academy of Sports Medicine. L.J resides in Greenville, SC with his wife Carly and their two children; Ellie (11) and Austin (8).
Brad LaRosa
Brad is entering his first season with the Miami Marlins as an assistant athletic trainer, after spending the last two seasons in the same role with the Oakland Athletics. Prior to this role, LaRosa spent the 2022 season with the El Paso Chihuahuas (Triple A – San Diego), 2020-2021 seasons as the Assistant Athletic Trainer with the Miami Marlins, 2008-2019 with the Oakland A’s in Triple A (Sacramento/Nashville/Las Vegas), 2006-2008 with the St. Louis Cardinals in Double A (Springfield) and 2003-2004 with the Florida Marlins (Carolina/Jupiter). LaRosa was honored by his peers as Athletic Trainer of the Year (2006,2007 Texas League) (PCL 2012,2016 and 2019) and was chosen as the Minor League Athletic Trainer of the Year in 2007. In his spare-time he enjoys waterfowl hunting, golf and spending time with his family. LaRosa holds a Bachelor of Science in Kinesiology and received his Masters of Science in Education in Kinesiology from Southern Illinois University Edwardsville. He is a certified member of the National Athletic Trainers’ Association (NATA) and Licensed in the state of Illinois. LaRosa makes his off-season home in Illinois with his wife Denise and their two daughters: Lydia and Emma.
Jose Alvarez
José is in his 2nd year as a MLB assistant athletic trainer and his 7th year with the Miami Marlins organization. Prior to his current role, he served as the Marlins’ Minor League Medical Coordinator and spent 4 years as the Latin America Medical Coordinator. Before joining the Marlins, José worked with the St. Louis Cardinals as the Minor League Assistant Rehab Coordinator and spent four years as the Latin America Medical Coordinator for the Chicago Cubs. In addition to his work in Major League Baseball, José currently serves as the Director of the Sports Medicine Department for Tigres del Licey in the Dominican Winter League (LiDOM). His extensive winter ball experience spans 13 seasons across Mexico, Venezuela, and the Dominican Republic. José began his career with an internship with the Red Sox, working with their Dominican Summer League and Short Season teams as part of the PBATS internship program. Prior to that, he interned with the Wareham Gatemen in the Cape Cod Baseball League, contributing to the team’s 2012 championship season. A native of Phoenix, AZ, José earned his bachelor’s from ASU and his master’s degree from Bridgewater State University. He resides in the Dominican Republic with his wife, Genesis, and their three children: Nomar, Phoenix, and Neymar.
Dru Scott
Dru is entering his 1st season with the Miami Marlins after spending 16 seasons with the Pirates organization. Spent the 2024 season as the Major League/Minor League Medical Specialist, prior to that role, spent the 4 previous seasons (2020-2023) as the Minor League Athletic Training Coordinator. He has also spent 3 seasons (2017-2019) with AAA Indianapolis, 2 seasons (2015-2016) with AA Altoona Curve after working 3 seasons (2012-2014) with the A+ Bradenton Marauders. Scott also spent 2 seasons (2010-2011) with A affiliate West Virgina after beginning his baseball career in 2009 with the Gulf Coast League Pirates in Bradenton, FL. Prior to joining the Pirates, Scott spent 2 years (2007 & 2008) working for Unity Sports Medicine, which covers West Lafayette High School. Scott received a degree in Athletic Training from Manchester (IN) College in 2007 and is certified by the National Academy of Sports Medicine (NASM) as a Corrective Exercise Specialist (CES) and Performance Enhancement Specialist (PES). He is also a certified USA Weightlifting Level 1 coach. He recently graduated in 2023 from Hardin-Simmons University with a Masters in Kinesiology. He and his wife, Mandy, reside in Fort Wayne, Indiana.
Victor Scarpone
Victor, 31, a Chicagoland native, enters his first season as Assistant Athletic Trainer with the Marlins. He was most recently the Minor League Medical Coordinator for the Los Angeles Dodgers (2021-2024). Prior to that he was an Assistant Athletic Trainer in AAA with the Dodgers. He started his professional career with the Atlanta Braves (2016-2018) where he served as an affiliate athletic trainer. He was first introduced to professional baseball in between semesters in college, serving a summer internship with the Arizona Diamondbacks organization in 2015. He earned his bachelor’s degree in athletic training from the University of Kansas and is a part of the National Athletic Trainers Association (NATA) and the National Strength and Conditioning Association (NSCA). He resides in Phoenix, Arizona with his wife Nicole and baby Juliana, enjoying all things active and comedy.