Russian Nikolay Davydenko returns to world number one Spanish Rafael Nadal during their 2011 ATP Qatar Open semi-final tennis match in Doha on January 7, 2011. Davydenko won 6-3, 6-2. AFP PHOTO/MARWAN... more 
Russian Nikolay Davydenko returns to world number one Spanish Rafael Nadal during their 2011 ATP Qatar Open semi-final tennis match in Doha on January 7, 2011. Davydenko won 6-3, 6-2. AFP PHOTO/MARWAN NAAMANI (Photo credit should read MARWAN NAAMANI/AFP/Getty Images) less 
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Getty Images | Photo By MARWAN NAAMANI / AFP/Getty Images
Fri, Jan 7, 2011 12:36 PM EST