Members of his entourage watch as world number one Roger Federer of Switzerland practices in Ashe Stadium...
Members of his entourage watch as world number one Roger Federer of Switzerland practices in Ashe Stadium at the U.S. Open in Flushing, New York August 26, 2012. The final grand slam of the tennis season begins here on Monday. REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT TENNIS)