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TOPSHOT - Spain's Nicolas Almagro (L) is comforted by Argentina's Juan Martin Del Potro as he has to give up due to an injury during their tennis match at the Roland Garros 2017 French Open on June 1, 2017 in Paris. / AFP PHOTO / Thomas SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)

TOPSHOT - Spain's Nicolas Almagro (L) is comforted by Argentina's Juan Martin Del Potro as he has to give up due to an injury during their tennis match at the Roland Garros 2017 French Open on June 1, 2017 in Paris.  / AFP PHOTO / Thomas SAMSON        (Photo credit should read THOMAS SAMSON/AFP/Getty Images)