Stanislas Wawrinka, of Switzerland, returns a shot against Kevin Anderson, of South Africa, during a fourth round match at the BNP Paribas Open tennis tournament, Wednesday, March 12, 2014, in Indian ... more 
Stanislas Wawrinka, of Switzerland, returns a shot against Kevin Anderson, of South Africa, during a fourth round match at the BNP Paribas Open tennis tournament, Wednesday, March 12, 2014, in Indian Wells, Calif. (AP Photo/Mark J. Terrill) less 
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Associated Press | Photo By Mark J. Terrill
Wed, Mar 12, 2014 7:24 PM EDT