Our Team
Seth Mccartney
Seth brings experience at every level of the game to The Box. A standout player at Brandon High School, Seth went on to play collegiately at Meridian Community College and the University of Missouri before continuing his career professionally with the Mississippi Mudmonsters.
Today, Seth uses that experience to help athletes develop on the mound while building the strength, mechanics, and habits needed to protect their arms and perform at their best. His coaching focuses on pitching development, throwing mechanics, velocity, and long-term arm care.
Pitching and Arm Care
Mason morgan
Mason brings a well-rounded athletic background and a passion for player development to The Box. A multi-sport All-District athlete at East Rankin Academy in both baseball and football, Mason continued his baseball career at Mississippi Delta Community College.
Mason specializes in catching development and player mobility, helping athletes improve their movement, athleticism, and efficiency behind the plate and throughout their game. His approach combines his experience as a multi-sport athlete with a focus on developing players who move better, perform better, and stay prepared for the demands of the game.
Catching Specialist
preston johnson
Preston brings championship-level experience and a professional perspective to The Box. After beginning his collegiate career at Hinds Community College, Preston went on to play at Mississippi State University, where he was part of a National Championship team. He was selected by the Baltimore Orioles in the 2022 MLB Draft and now continues his professional career in the Minnesota Twins organization.
Preston specializes in pitching, strength, and conditioning, helping athletes develop the skills, physical tools, and work habits needed to compete at a higher level. His experience as both a collegiate champion and current professional player gives athletes a unique opportunity to learn from someone who continues to live the game every day.
Hitting, Pitching, & Defenseandrew smith
Andrew Smith brings a well-rounded understanding of the game to The Box. A two-sport All-Division athlete at Simpson Academy, Andrew continued his baseball career on the mound at Copiah-Lincoln Community College.
With experience across multiple areas of the game, Andrew excels at hitting, defense, and pitching, giving athletes a complete perspective on how the different parts of baseball work together. His ability to teach all aspects of the game makes him a valuable resource for players looking to become more complete, confident, and fundamentally sound athletes.
Andrew doubles as a vital Partner of The Box.