Grigor Dimitrov of Bulgaria celebrates victory in his Singles match as he shakes hands with Dominic Thiem of Austria during day two of the Nitto ATP...
{"Image ImageDescription": "LONDON, ENGLAND - NOVEMBER 13:  Grigor Dimitrov (R) of Bulgaria celebrates victory in his Singles match as he shakes hands with Dominic Thiem of Austria during day two of the Nitto ATP World Tour Finals at O2 Arena on November 13, 2017 in London, England.  (Photo by Clive Brunskill/Getty Images)", "Image Copyright": "2017 Getty Images"}