Serena Williams of the U.S. hits a return to Simona Halep of Romania during their WTA Finals singles tennis match at the Singapore Indoor Stadium October 22, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: ... more 
Serena Williams of the U.S. hits a return to Simona Halep of Romania during their WTA Finals singles tennis match at the Singapore Indoor Stadium October 22, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: SPORT TENNIS) less 
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Reuters | Photo By EDGAR SU / REUTERS
Wed, Oct 22, 2014 6:21 AM EDT