Maria Sharapova from Russia returns the ball during a Madrid Open tennis tournament match against Li Na from China in Madrid, Spain, Friday, May 9, 2014. (AP Photo/Daniel Ochoa de Olza)
Li Na from China returns the ball during a Madrid Open tennis tournament match against Maria Sharapova from Russia in Madrid, Spain, Friday, May 9, 2014 . (AP Photo/Daniel Ochoa de Olza)
Maria Sharapova from Russia serves the ball during a Madrid Open tennis tournament match against Li Na from China in Madrid, Spain, Friday, May 9, 2014. (AP Photo/Daniel Ochoa de Olza)
Maria Sharapova from Russia serves the ball during a Madrid Open tennis tournament match against Li Na from China in Madrid, Spain, Friday, May 9, 2014 . (AP Photo/Daniel Ochoa de Olza)
Russian President Vladimir Putin speaks at a navy parade marking the Victory Day in Sevastopol, Crimea, Friday, May 9, 2014. (Associated Press) ** FILE **