Grigor Dimitrov of Bulgaria returns a shot against Novak Djokovic of Serbia during their match at the BNP Paribas Open tennis tournament, Tuesday, March 12, 2013, in Indian Wells, Calif. (AP ... more 
Grigor Dimitrov of Bulgaria returns a shot against Novak Djokovic of Serbia during their match at the BNP Paribas Open tennis tournament, Tuesday, March 12, 2013, in Indian Wells, Calif. (AP Photo/Mark J. Terrill) less 
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Associated Press | Photo By Mark J. Terrill
Tue, Mar 12, 2013 7:44 PM EDT