boxer
Puerto Rican boxer
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Not who you're looking for? Others named Iván Calderón: Puerto Rican baseball player (1962–2003)
Iván Calderón Marrero is a Puerto Rican former professional boxer who competed from 2001 to 2012. He is a two-weight world champion, having held the WBO mini flyweight title from 2003 to 2007, and the WBO, Ring magazine, and lineal light flyweight titles from 2007 to 2010. Additionally, his August 2010 bout against Giovani Segura was named fight of the year by Ring magazine. As an amateur Calderón represented Puerto Rico in international competitions, including the 2000 Olympics.