Grigor Dimitrov of Bulgaria hits a return to Rafael Nadal of Spain during their men's singles quarter-final tennis match at the Australian Open 2014 tennis tournament in Melbourne January 22, 2014. ... more 
Grigor Dimitrov of Bulgaria hits a return to Rafael Nadal of Spain during their men's singles quarter-final tennis match at the Australian Open 2014 tennis tournament in Melbourne January 22, 2014. REUTERS/Petar Kujundzic (AUSTRALIA - Tags: SPORT TENNIS) less 
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Reuters | Photo By PETAR KUJUNDZIC / REUTERS
Wed, Jan 22, 2014 1:01 AM EST