Hernán Márquez has 10 losses against 10 opponents on his boxing record. For a list of Márquez's best fights, refer to "Best fights of Hernán Márquez".
On October 20, 2018 Hernán Márquez faced off against Francisco Rodríguez Jr. in a super-flyweight bout at age 30. He was coming in with a record of 43-10-2 (30), and Rodríguez Jr. was 25 years old and with a record of 28-4-1 (20). Márquez lost the fight via 3rd-round KO.
On April 21, 2018 Hernán Márquez faced off against Jose Briegel Quirino in a super-flyweight bout at age 29. He was coming in with a record of 43-9-2 (30). Márquez lost the fight via 9th-round retirement.
On December 16, 2016 Hernán Márquez faced off against Iran Diaz in a super-flyweight bout at age 28. He was coming in with a record of 41-8-1 (29). Márquez lost the fight via 10-round unanimous decision.
On December 17, 2015 Hernán Márquez fought Luis Concepción in a super-flyweight world-title fight for Concepción's WBA title. Márquez was 27 years old and with a record of 39-7-1 (28), and Concepción was 30 years old and with a record of 33-4 (24). Márquez lost the fight via 12-round unanimous decision.
On September 26, 2015 Hernán Márquez fought Juan Francisco Estrada in a flyweight world-title fight for Estrada's WBA (Super) and WBO titles. Márquez was 27 years old and with a record of 39-6-1 (28), and Estrada was 25 years old and with a record of 32-2 (23). Márquez lost the fight via 10th-round KO.
On June 14, 2014 Hernán Márquez faced off against McJoe Arroyo in a flyweight bout at age 25. He was coming in with a record of 37-5 (26), and Arroyo was 28 years old and with a record of 14-0 (7). Márquez lost the fight via 11th-round KO.
On November 2, 2013 Hernán Márquez faced off against Giovani Segura in a flyweight bout at age 25. He was coming in with a record of 36-4 (26). Márquez lost the fight via 12th-round KO.
On November 17, 2012 Hernán Márquez, the WBA champion, met Brian Viloria, the WBO champion, in a flyweight world-title unification fight. Márquez was 24 years old and with a record of 34-3 (25), and Viloria was 31 years old and with a record of 31-3 (18). Márquez lost the fight via 10th-round TKO and lost his title.
On July 10, 2010 Hernán Márquez fought Nonito Donaire in a super-flyweight world-title fight for Donaire's WBA title. Márquez was 21 years old and with a record of 27-2 (20), and Donaire was 27 years old and with a record of 23-1 (15). Márquez lost the fight via 8th-round TKO.
On March 12, 2010 Hernán Márquez faced off against Richie Mepranum in a flyweight bout at age 21. He was coming in with a record of 27-1 (20). Márquez lost the fight via 10-round unanimous decision.
