Juan Martin Del Potro of Argentina serves to Florian Mayer of Germany during their second round match at the Sydney International tennis tournament on January 12, 2011. Mayer won in straight sets 6-2,... more 
Juan Martin Del Potro of Argentina serves to Florian Mayer of Germany during their second round match at the Sydney International tennis tournament on January 12, 2011. Mayer won in straight sets 6-2, 7-5. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Greg WOOD (Photo credit should read GREG WOOD/AFP/Getty Images) less 
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Getty Images | Photo By GREG WOOD / AFP/Getty Images
Wed, Jan 12, 2011 9:11 AM EST