Ernests Gulbis, of Latvia, returns a shot to Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament, Wednesday, March 13, 2013, in Indian Wells, Calif. (AP Photo/Mark J. ... more 

Ernests Gulbis, of Latvia, returns a shot to Rafael Nadal, of Spain, during their match at the BNP Paribas Open tennis tournament, Wednesday, March 13, 2013, in Indian Wells, Calif. (AP Photo/Mark J. Terrill) less