http://www.nbcmiami.com/sports/golf_tennis/Four-Year-Old-Tennis-ACe-Gets-Top-Notch-Training.html?yhp=1Look out, Williams sisters, there's a new kid on the courts, and she's got room to grow.
4-Year Old Prodigy Takes Tennis Community by Storm
Watch VideoMia Lines is only 4 years old, but she's already a tennis veteran. The Lines family flew in from Australia to spend a month with Tennis Pro Rick Macci,...
Little Mia Lines is only four years old but she's already tearing up the baselines and getting instruction from a coach who's guided legendary names like Venus, Serena, Roddick, and Capriati.
The pint-sized phenom came to South Florida from Australia with her father to study under the illustrious Rick Macy, who thinks he's got a heavy hitter on his hands....