Tennis player Juan Martin Del Potro of Argentina holds his trophy after beating Roger Federer of Switzerland in the final of the 2009 US Open at the USTA Billie Jean King National Tennis Center in New York, September 14, 2009. Del Potro won 3-6, 7-6, 6-4, 7-6, 6-2. AFP PHOTO/Emmanuel Dunand (Photo credit should read EMMANUEL DUNAND/AFP via Getty Images)
