Garbine Muguruza has only been a professional tennis player since 2012. But in those few years, the 21-year-old from Spain is making her presence felt on the WTA Tour. She had a breakout year in 2014 with her first WTA win, and 2015 has looked just as bright. It's safe to say, Garbine is not going anywhere anytime soon. Click through the gallery to see some of Muguruza's best pictures.