Thank you for visiting Slugger UPM!

Our goal is to provide young players with the tools to improve and master their game.

The UPM line of pitching machines includes the number one selling pitching machine in the world: The Louisville Slugger UPM45 Blue Flame Pitching machine, and the only softball pitching machine that uses an underhand delivery: The Louisville Slugger UPM55 Red Fire Pitching Machine.

Louisville Slugger Ultimate Pitching Machines and Training Aids are manufactured by GameMaster Athletic: Exclusive Licensee for Louisville Slugger Training Aids and Pitching Machines.