Today we’re joined by Will Carroll, nationally recognized injury expert and author of Under the Knife. Known for translating complex medical data into clear, actionable insight, Will brings a unique perspective on baseball’s evolving injury landscape and what he famously calls the game’s “billion-dollar bleed.”

We dive into the financial and competitive impact of injuries across Major League Baseball, the data trends shaping modern sports medicine, and how teams can better measure and manage injury risk. Will shares his thoughts on workload, UCL injuries, biomechanics, recovery science, and how communication between athletic trainers, physicians, front offices, and analysts has changed over time.

This episode offers a candid look at the intersection of medicine, performance, and economics, breaking down what the injury numbers really mean for clubs, players, and the future of the game.

Check out Under the Knife on Substack here.

Learn more about Will here.

For more information about PBATS and athletic training, visit pbats.com.

On this episode of the PBATS Inside Athletic Training Podcast, we’re joined by Tyler Brooks, Assistant Athletic Trainer for the Pittsburgh Pirates. Tyler’s path to the big leagues is anything but typical, from his early career beginnings through impactful international experience in the Dominican Republic, Tyler brings a unique perspective on athletic training in professional baseball.

We dive into how his time in the DR shaped his clinical approach, built cultural fluency, and prepared him to navigate challenges in high-performance environments. Tyler also shares what it felt like to earn his first MLB role, the day-to-day realities of life on a big league staff, and how collaboration with veteran leaders and fellow young clinicians has strengthened the Pirates’ sports medicine team.

For more information about PBATS and athletic training, visit pbats.com.

In this episode of the PBATS Inside Athletic Training Podcast, we’re joined by Dr. Glenn Fleisig, one of the most accomplished and influential scientists in baseball biomechanics and sports medicine. Dr. Fleisig helped develop the American Sports Medicine Institute (ASMI) alongside Dr. James Andrews and has spent nearly four decades advancing research on pitching mechanics, injury prevention, and player health.

We discuss Dr. Fleisig’s remarkable career journey, how biomechanics has transformed modern baseball, and the cutting-edge technologies shaping the future—from markerless motion capture to pitching labs and game data integration. The conversation also explores key recent studies on UCL injury risk factors, throwing programs, and training trends, as well as Dr. Fleisig’s role advising Major League Baseball, USA Baseball, and the broader baseball community.

For more on Dr. Fleisig, please visit:

Instagram: The Biomechanical Man

American Baseball Biomechanics Society: baseballbiomechanics.org

ASMI: asmi.org

For more information about PBATS and athletic training, visit pbats.com.