LONDON, ENGLAND - NOVEMBER 29: Adam Helfant, Executive Chairman of the ATP and Anthony Jenkins, Chief Executive, Barclays Global Retail Banking pose for a picture with Nikolay Davydenko of Russia and Juan Martin Del Potro of Argentina after the men's singles final match against Juan Martin Del Potro of Argentina during the Barclays ATP World Tour Finals at the O2 Arena on November 29, 2009 in London, England. (Photo by Julian Finney/Getty Images)
