Sullivan Barrera has five losses against five opponents on his boxing record. For a list of Barrera's best fights, refer to "Best fights of Sullivan Barrera".
On March 13, 2024 Sullivan Barrera faced off against Radivoje Kalajdzic in a light-heavyweight bout at age 42. He was coming in with a record of 22-5 (14), and Kalajdzic was 32 years old and with a record of 28-2 (21). Barrera lost the fight via 10th-round KO.
On July 9, 2021 Sullivan Barrera faced off against Gilberto Ramírez in a light-heavyweight bout at age 39. He was coming in with a record of 22-4 (14), and Ramírez was 30 years old and with a record of 41-0 (27). Barrera lost the fight via 4th-round KO.
On June 15, 2019 Sullivan Barrera faced off against Jesse Hart in a light-heavyweight bout at age 37. He was coming in with a record of 22-3 (14), and Hart was 29 years old and with a record of 25-2 (21). Barrera lost the fight via 10-round unanimous decision.
On March 3, 2018 Sullivan Barrera fought Dmitry Bivol in a light-heavyweight world-title fight for Bivol's WBA title. Barrera was 36 years old and with a record of 21-2 (14), and Bivol was 27 years old and with a record of 12-0 (10). Barrera lost the fight via 12th-round TKO.
On March 26, 2016 Sullivan Barrera faced off against Andre Ward in a light-heavyweight bout at age 34. He was coming in with a record of 17-1 (12), and Ward was 32 years old and with a record of 28-0 (15). Barrera lost the fight via 12-round unanimous decision.
