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Des Moines' Most Complete Indoor Baseball & Softball Training Center
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Upcoming...
Grand Slam USA has over 25 years of Experience, Training Baseball & Softball Athletes, in the Greater Des Moines Area. Balancing Fundamentals, Creating Self-Awareness, & Working through Drills to Develop Technique.
High School Winter Indoor League
Registration is open for the 23'-24' Winter Indoor League!
Bat Speed Development Program
Bat Speed Devolpment Phase 2 begins November 28th. Register Now!
Strength and Conditioning
Winter Session Registration Available!
High School Winter Indoor League
Registration is open for the 23'-24' Winter Indoor League!
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Latest News...
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