Matthew Macklin has six losses against six opponents on his boxing record. For a list of Macklin's best fights, refer to "Best fights of Matthew Macklin".
On November 15, 2014 Matthew Macklin faced off against Jorge Sebastian Heiland in a middleweight bout at age 32. He was coming in with a record of 31-6 (20), and Heiland was 27 years old and with a record of 24-4-2 (12). Macklin lost the fight via 10th-round KO.
On June 29, 2013 Matthew Macklin fought Gennady Golovkin in a middleweight world-title fight for Golovkin's WBA title. Macklin was 31 years old and with a record of 29-5 (20), and Golovkin was 31 years old and with a record of 26-0 (23). Macklin lost the fight via 3rd-round KO.
On March 17, 2012 Matthew Macklin fought Sergio Martínez in a middleweight world-title fight for Martínez' The Ring title. Macklin was 29 years old and with a record of 28-4 (19), and Martínez was 37 years old and with a record of 48-2-2 (27). Macklin lost the fight via 11th-round retirement.
On June 25, 2011 Matthew Macklin fought Felix Sturm in a middleweight world-title fight for Sturm's WBA title. Macklin was 29 years old and with a record of 28-3 (19), and Sturm was 32 years old and with a record of 35-2-1 (15). Macklin lost the fight via 12-round split decision.
On September 29, 2006 Matthew Macklin faced off against Jamie Moore in a super-welterweight bout at age 24. He was coming in with a record of 17-2 (13). Macklin lost the fight via 10th-round KO.
On November 6, 2003 Matthew Macklin faced off against Andrew Facey in a super-welterweight bout at age 21. He was coming in with a record of 9-1 (6). Macklin lost the fight via 10-round points decision.
