On March 13, 2024, a 42-year-old Sullivan Barrera (22-4, 14 KOs) and a 32-year-old American boxer Radivoje Kalajdzic (28-2, 21 KOs) met in the ring.
Barrera came in to the fight on a 2-fight losing streak with a 53% KO rate, and was fighting after a gap of 2 years, 8 months, and 4 days. Kalajdzic was on a 4-fight win streak with a 70% KO rate, and fighting after a layoff of 6 months and 7 days.
Radivoje Kalajdzic stopped Sullivan Barrera via KO in the 10th round. Kalajdzic improves his record to 29-2 (22 KOs), while Barrera adds a loss to his record at 22-5.
On July 9, 2021, a 39-year-old Sullivan Barrera (22-3, 14 KOs) and a 30-year-old Mexican boxer Gilberto Ramírez (41-0, 27 KOs) met in the ring.
Barrera came in to the fight on a 1-fight losing streak with a 56% KO rate, and was fighting after a gap of 2 years and 24 days. Ramírez was on a 41-fight win streak with a 65% KO rate, and fighting after a layoff of 6 months and 21 days.
Gilberto Ramírez stopped Sullivan Barrera via KO in the 4th round. Ramírez improves his record to 42-0 (28 KOs), while Barrera adds a loss to his record at 22-4.
On June 15, 2019, a 37-year-old Sullivan Barrera (22-2, 14 KOs) and a 29-year-old American boxer Jesse Hart (25-2, 21 KOs) met in the ring.
Barrera came in to the fight on a 1-fight win streak with a 58% KO rate, and was fighting after a gap of 7 months and 12 days. Hart was on a -1-fight win streak with a 77% KO rate, and fighting after a layoff of 6 months and 1 day.
Jesse Hart defeated Sullivan Barrera via unanimous decision in the 10-round fight. Hart improves his record to 26-2, while Barrera adds a loss to his record at 22-3.
On March 3, 2018, a 36-year-old Sullivan Barrera (21-1, 14 KOs) got a shot at the light-heavyweight WBA title held by 27-year-old Russian boxer Dmitry Bivol (12-0, 10 KOs).
Barrera came in to the fight on a 4-fight win streak with a 63% KO rate, and was fighting after a gap of 3 months and 6 days. Bivol was on a 12-fight win streak with a 83% KO rate, and fighting after a layoff of 3 months and 27 days.
Dmitry Bivol stopped Sullivan Barrera via TKO in the final round of the 12-round world-title fight, and successfully defended his WBA light-heavyweight title. Bivol improves his record to 13-0 (11 KOs), while Barrera adds a loss to his record at 21-2.
On March 26, 2016, a 34-year-old Sullivan Barrera (17-0, 12 KOs) and a 32-year-old American boxer Andre Ward (28-0, 15 KOs) met in the ring.
Barrera came in to the fight on a 17-fight win streak with a 70% KO rate, and was fighting after a gap of 3 months and 14 days. Ward was on a 28-fight win streak with a 53% KO rate, and fighting after a layoff of 9 months and 6 days.
Andre Ward defeated Sullivan Barrera via unanimous decision in the 12-round fight. Ward improves his record to 29-0, while Barrera adds a loss to his record at 17-1.