** FILE ** Andre Agassi, of the USA, serves to Roger Federer, of Switzerland, at the US Open tennis tournament in New York, Monday, Sept. 3, 2001. Turning what was expected to be a routine pre-Wimbledon news conference into something significant, Agassi announced Saturday, June 24, 2006, he will retire after this year's U.S. Open, leaving tennis after two decades. (AP Photo/Amy Sancetta,file)