Carlos José Negrón Colón (born March 5, 1988)[citation needed] is a professional boxer who competes in the heavyweight division.

[1] At age 15 Negrón won his division's bronze medal at the 2003 Junior Olympics, which prompted him to pursue the sport as a career.

[2] In the following round, Negrón was paired against Cristian Bautista of the Dominican Republic, winning by referee stopping contest (RSC).

[5] Negrón represented Puerto Rico at the Pan American Qualifier, held in Barquisimeto, Venezuela from February 2–8, 2007.

[8] On February 10, 2008, Negrón defeated Roberto Acevedo in the finals of the Campeonato Nacional Isaac Barriento de Boxeo Aficionado tournament.

[9] In a USA vs. Puerto Rico Dual held on April 26, 2008, Negrón defeated Siju Shabazz by RSC in the third round.

[11] On July 8, 2008, Puerto Rico's Sports and Recreation Department offered up to $48,000 to the five Olympics-eligible boxers, if they chose to continue for a second Olympic cycle.

[18] After the Olympic Games, Negrón announced his intention of abandoning the amateur circuit to pursue a professional contract.

[18] Negrón debuted on March 28, 2009, as part of a card titled "Noche de Campeones", which was held in Bayamón, Puerto Rico.

[19] Consequently, Jiménez's corner ended the fight by "throwing in the towel", awarding Negrón a technical knockout victory.

[20] Hughes was able to stand up before the referee's protection count concluded twice, but his corner intervened, awarding the pugilist the second first-round TKO of his career.

[25] In the undercard of "Haciendo Historia", which featured a fight between Wilfredo Vázquez, Jr. and Marvin Sonsona in the main event, he defeated Roy Ashworth by knockout in the first round, after scoring three knockdowns.

[27] His next contest was in the undercard of a card titled "The Challenge: Juan Manuel López vs. Bernabé Concepción", where he was matched against Gustavo Enríquez, winning by unanimous decision.