Juan Martin Del Potro of Argentia takes part in a training session for the upcoming Australian Open tennis tournament in Melbourne on January 14, 2011. The Australian Open tennis tournament starts on ... more 
Juan Martin Del Potro of Argentia takes part in a training session for the upcoming Australian Open tennis tournament in Melbourne on January 14, 2011. The Australian Open tennis tournament starts on January 17. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images) less 
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Getty Images | Photo By PAUL CROCK / AFP/Getty Images
Sun, Jan 16, 2011 9:10 PM EST