Iván Calderón

Who is Iván Calderón?

Iván Calderón Marrero is a Puerto Rican retired professional boxer. As an amateur Calderón represented Puerto Rico in international competitions and attended the 2000 Olympic Games in Australia. On May 3, 2003, he won the World Boxing Organization's minimumweight championship when he defeated Eduardo Marquez by technical decision. He defended this title successfully eleven times and was recognized as a "Super Champion" by the organization. On August 25, 2007, he ascended to the light flyweight division when he defeated Hugo Cázares for the WBO's light flyweight championship. Calderón successfully defended this title against Juan Esquer, Nelson Dieppa, Rodel Mayol, Jesús Iribe and Cázares. Calderón is the former The Ring's light flyweight champion.