On December 12, 2015, a 33-year-old Sullivan Barrera (16-0, 11 KOs) and a 32-year-old Armenian boxer Karo Murat (27-2-1, 17 KOs) met in the ring.
Barrera came in to the fight on a 16-fight win streak with a 68% KO rate, and was fighting after a gap of 4 months and 17 days. Murat was on a 2-fight win streak with a 56% KO rate, and fighting after a layoff of 7 months and 17 days.
Sullivan Barrera stopped Karo Murat via KO in the 5th round. Barrera improves his record to 17-0 (12 KOs), while Murat adds a loss to his record at 27-3-1.
On July 15, 2017, a 35-year-old Sullivan Barrera (19-1, 14 KOs) and a 27-year-old American boxer Joe Smith Jr. (23-1, 19 KOs) met in the ring in a light-heavyweight bout.
Barrera came in to the fight on a 2-fight win streak with a 70% KO rate, and was fighting after a gap of 3 months. Smith Jr. was on a 17-fight win streak with a 79% KO rate, and fighting after a layoff of 6 months and 28 days.
Sullivan Barrera defeated Joe Smith Jr. via unanimous decision in the 10-round light-heavyweight fight. Barrera improves his record to 20-1, while Smith Jr. adds a loss to his record at 23-2.
On January 30, 2015, a 32-year-old Sullivan Barrera (14-0, 9 KOs) and a 37-year-old American boxer Jeff Lacy (27-5, 18 KOs) met in the ring.
Barrera came in to the fight on a 14-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 22 days. Lacy was on a 1-fight win streak with a 56% KO rate, and fighting after a layoff of 1 month and 19 days.
Sullivan Barrera stopped Jeff Lacy via TKO in the 4th round. Barrera improves his record to 15-0 (10 KOs), while Lacy adds a loss to his record at 27-6.
On December 16, 2016, a 34-year-old Sullivan Barrera (17-1, 12 KOs) and a 29-year-old Ukrainian boxer Vyacheslav Shabranskyy (17-0, 14 KOs) met in the ring.
Barrera came in to the fight on a 1-fight losing streak with a 66% KO rate, and was fighting after a gap of 8 months and 20 days. Shabranskyy was on a 17-fight win streak with a 82% KO rate, and fighting after a layoff of 3 months and 27 days.
Sullivan Barrera stopped Vyacheslav Shabranskyy via TKO in the 7th round. Barrera improves his record to 18-1 (13 KOs), while Shabranskyy adds a loss to his record at 17-1.
On June 24, 2011, a 29-year-old Sullivan Barrera (7-0, 5 KOs) and Frank Paines met in the ring in a light-heavyweight bout.
Barrera came in to the fight on a 7-fight win streak with a 71% KO rate, and was fighting after a gap of 2 months and 8 days.
Sullivan Barrera stopped Frank Paines via KO in the 2nd round. Barrera improves his record to 8-0 (6 KOs)
On November 3, 2018, a 36-year-old Sullivan Barrera (21-2, 14 KOs) and a 37-year-old American boxer Sean Monaghan (29-1, 17 KOs) met in the ring.
Barrera came in to the fight on a 1-fight losing streak with a 60% KO rate, and was fighting after a gap of 8 months. Monaghan was on a 1-fight win streak with a 56% KO rate, and fighting after a layoff of 11 months and 30 days.
Sullivan Barrera defeated Sean Monaghan via unanimous decision in the 10-round fight. Barrera improves his record to 22-2, while Monaghan adds a loss to his record at 29-2.
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 August 13, 2010, a 28-year-old Sullivan Barrera (4-0, 4 KOs) and Tay Bledsoe met in the ring.
Barrera came in to the fight on a 4-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 14 days.
Sullivan Barrera stopped Tay Bledsoe via TKO in the 1st round. Barrera improves his record to 5-0 (5 KOs)
On February 27, 2010, a 28-year-old Sullivan Barrera (1-0, 1 KO) and Alex Rivera met in the ring.
Barrera came in to the fight on a 1-fight win streak with a 100% KO rate, and was fighting after a gap of 6 months and 6 days.
Sullivan Barrera stopped Alex Rivera via KO in the 1st round. Barrera improves his record to 2-0 (2 KOs)
On April 30, 2010, a 28-year-old Sullivan Barrera (3-0, 3 KOs) and DeLeon Tinsley met in the ring.
Barrera came in to the fight on a 3-fight win streak with a 100% KO rate, and was fighting after a gap of 1 month and 18 days.
Sullivan Barrera stopped DeLeon Tinsley via TKO in the 2nd round. Barrera improves his record to 4-0 (4 KOs)