Mark Stubblefield - Medical Director

Stubblefield coordinates the preventive care and injury treatment of umpires throughout the Minor League Baseball system. This role works under the supervision of the Medical Consultant for Umpire Development to properly utilize current technologies, best practices and proactive approaches to increase safety awareness, reducing missed time and benefit premium costs.

Stubblefield joined Minor League Baseball in 2011 after a 10-year career as a certified athletic trainer with both the Cincinnati Reds and Kansas City Royals.

Stubblefield received a bachelor's degree in athletic training from Indiana State University and a master's degree from California University of Pennsylvania. The Kansas City, Missouri native is a member of the Professional Baseball Athletic Trainers Society (PBATS) and the National Athletic Trainers Association (NATA).