BNP Paribas Open - Day 9

In This Photo: Daniel Vallverdu
Daniel Vallverdu coach of Grigor Dimitrov of Bulgaria watches him play against Jack Sock of the United States in their third round match during day nine of the BNP Paribas Open at Indian Wells Tennis Garden on March 14, 2017 in Indian Wells, California.
(March 13, 2017 - Source: Clive Brunskill/Getty Images North America)