Claudio Marrero Guzman (born 6 March 1989) is a Dominican professional boxer who held the WBA interim, and IBO featherweight titles in 2017.
Amateur career
Marrero was the silver medalist at the 2007 Pan American Games in the bantamweight division. He came within one win of qualifying for the 2008 Summer Olympics, losing to Yankiel León of Cuba 12:1. Marrero also competed at the 2007 AIBA World Boxing Championships and 2009 AIBA World Boxing Championships.
Professional career
On 23 August 2013, Marrero lost to Jesús Cuellar for the interim WBA featherweight title on ESPN Friday Night Fights. On 29 April 2017, he won the WBA interim, and IBO featherweight titles by knocking out Carlos Zambrano in the first round. He would lose the WBA belt in his next fight by KO against Jesus Rojas.