Mayweather Marquez fight is announced

Golden Boy President Oscar De La Hoya (center) announces the return to boxing of six-time champion Floyd Mayweather Jr. (L) of Las Vegas on May 2, 2009 in Las Vegas. Mayweather will go up against the number one rated five-time world champion Juan Manuel "Dinamita" Marquez of Mexico in a fight to be held on July 18, 2009 at the MGM Grand in Las Vegas. (UPI Photo/Roger Williams)