Diego "Chico" Corrales (August 25, 1977 – May 7, 2007) was a former super featherweight an lightweight world boxing champion. "Chico" had a professional record of 40-5-0, with 33 wins coming by way of knockout. Many enthusiasts believe his first confrontation with Jose Luis Castillo on May 7 2005 will go down as one of the greatest fights, and that this was the fight that sealed his legacy as one of the greatest lower division fighters ever.