In 2002, a 15-year-old Maria Sharapova had once-in-a-generation potential. We sat down with her at Nick Bollettieri's IMG Academy in Florida, before she ever won her 5 Grand Slams or became world number 1. She talked about how Martina Navratilova recognized her talent at a young age, her goal of one day becoming world number 1, and how her mental strength set her apart from the pack.
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Tennis C...