Can this pitching motion really end all injuries?
He claims to have invented a baseball pitching motion that will end all injuries. See for yourself. This video clip shows Jeff Sparks, the Mike Marshall student and former Tampa Devil Rays pitcher, demonstrating Marshall's Maxline Fastball, Maxline Pronation Curve, and Maxline True Screwball.
Click here for the video [Yahoo!]
Click here for Dr. Mike Marshall's pitching website
Click here to discuss this delivery with others












Welcome to StevenEllis.com, where every day you can get free baseball pitching tips from former Chicago Cubs pitching pro 