US player Serena Williams returns the ball to Spanish player Carla Suarez Navarro during their women's singles third round tennis match of the Madrid Masters at the Magic Box (Caja Magica) sports complex in Madrid on May 8, 2014. Williams won the match 6-2, 6-3.  AFP PHOTO / PIERRE-PHILIPPE MARCOU        (Photo credit should read PIERRE-PHILIPPE MARCOU/AFP/Getty Images)