Novak Djokovic from Serbia, left, hugs Grigor Dimitrov from Russia, right, during the Madrid Open tennis tournament, in Madrid, Tuesday, May 7, 2013. (AP Photo/Andres Kudacki)

Associated Press
Novak Djokovic from Serbia, left, hugs Grigor Dimitrov from Russia, right, during the Madrid Open tennis tournament, in Madrid, Tuesday, May 7, 2013. (AP Photo/Andres Kudacki)
Novak Djokovic from Serbia, left, hugs Grigor Dimitrov from Russia, right, during the Madrid Open tennis tournament, in Madrid, Tuesday, May 7, 2013. (AP Photo/Andres Kudacki)
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