NEW YORK, UNITED STATES: Football star quarterback Joe Montana (L) tennis star Andre Agassi (C) and hockey great Wayne Gretzky (R) stop and pose for photographers before the...

...court during day twelve of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 11, 2009 in the Flushing neighborhood of the Queens borough of New York City...

Spanish tennis player Rafael Nadal wipes his face during his match against France's Gael Monfils during day nine...

...Switzerland during Day 6 of the 2008 U.S. Open at the USTA Billie Jean King National Tennis Center on August 30, 2008 in the Flushing neighborhood of the Queens borough of New York City...

...day four of the Western & Southern Financial Group Masters on August 20, 2009 at the Lindner Family Tennis Center in Cincinnati, Ohio. (Photo by Nick Laham/Getty Images

...day six of the Western & Southern Financial Group Masters on August 22, 2009 at the Lindner Family Tennis Center in Cincinnati, Ohio

...States during day six of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 5, 2009 in the Flushing neighborhood of the Queens borough of New York City...

...playing David Ferrer of Spain during the U.S. Open at the USTA Billie Jean King National Tennis Center in Flushing Meadows Corona Park on August 31, 2006 in the Flushing neighborhood of the Queens...

NEW YORK - SEPTEMBER 02: A ball boy holds a tennis ball during day three of the 2009 U.S. Open at the USTA Billie Jean King National...

...1, 6-1 win against Melinda Czink of Hungary during their match at the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009. (AP Photo/Charles Krupa

...1, 6-1 win against Melinda Czink of Hungary during their match at the U.S. Open tennis tournament in New York, Wednesday, Sept. 2, 2009. (AP Photo/Charles Krupa

Fifth-seed US tennis player Andy Roddick returns a shot to Germany's Bjorn Phau during the first round of the...

...Decker applauds after her husband, Andy Roddick, defeated John Isner during Day 5 of the Legg Mason Tennis Classic at the William H.G. FitzGerald Tennis Center on August 8, 2009 in Washington, DC. Roddick...

...Spain during day one of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on August 31, 2009 in Flushing neighborhood of the Queens borough of New York City. (Photo...

...Final on day fourteen of the 2007 U.S. Open in at the Billie Jean King National Tennis Center on September 9, 2007 in the Flushing neighborhood of the Queens borough of New York City...