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ACAPULCO, MEXICO - FEBRUARY 24: David Ferrer of Spain reacts during a singles match between David Ferrer of Spain and Alexandr Dolgopolov of Ukraine as part of Telcel ATP Mexican Open 2016 at Mextenis Stadium on February 24, 2016 in Acapulco, Mexico. (Photo by Hector Vivas/LatinContent via Getty Images)

ACAPULCO, MEXICO - FEBRUARY 24:  David Ferrer of Spain reacts during a singles match between David Ferrer of Spain and Alexandr Dolgopolov of Ukraine as part of Telcel ATP Mexican Open 2016 at Mextenis Stadium on February 24, 2016 in Acapulco, Mexico. (Photo by Hector Vivas/LatinContent via Getty Images)