MT. VERNON (WSIL) —� A company in Mt. Vernon makes pitching machines that more than a dozen Major League franchises are using. It’s been a long road for the Spinball Sports crew to get to this point.
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MT. VERNON (WSIL) � A small company in Mt. Vernon is having a big impact in Major League Baseball. Spinball Sports manufactures pitching machines.  Pros are interested in their three wheel machine because users can not only control the pitch speed, but also the direction of break and spin rate.