Serena Williams' Childhood Coach Shares His Tennis Tips

Award-winning tennis coach Rick Macci has shaped the careers of Serena & Venus Williams, Andy Roddick, Jennifer Capriati, Maria Sharapova, and many others. Specializing in young tennis players with exceptional potential, Rick Macci believes you're never too young to think like a champion. Watch Gabby's story here: http://youtu.be/1i-eH1qbXRA PRODIGIES is a bi-weekly series showcasing the youngest and brightest as they challenge themselves to reach new heights and the stories behind them. Created and produced by @radical.media, THNKR gives you extraordinary access to the people, stories, places and thinking that will change your mind. Follow THNKR on Twitter: http://www.twitter.com/thnkr Like us on Facebook: http://www.facebook.com/thnkrtv Check out our Pinterest: http://pinterest.com/thnkr/