On April 9, 2016, a 24-year-old Gilberto Ramírez (33-0, 24 KOs) got a shot at the WBO super-middleweight title held by 36-year-old Armenian boxer Arthur Abraham (44-4, 29 KOs).
Ramírez came in to the fight on a 33-fight win streak with a 72% KO rate, and was fighting after a gap of 4 months and 20 days. Abraham was on a 8-fight win streak with a 60% KO rate, and fighting after a layoff of 4 months and 19 days.
Gilberto Ramírez defeated Arthur Abraham via unanimous decision and wins the WBO title — in his first world-title fight. Ramírez improves his record to 34-0, while Abraham adds a loss to his record at 44-5.
On March 30, 2024, a 32-year-old Gilberto Ramírez (45-1, 30 KOs) got a shot at the WBA cruiserweight title held by 36-year-old French boxer Arsen Goulamirian (27-0, 18 KOs).
Ramírez came in to the fight on a 1-fight win streak with a 65% KO rate, and was fighting after a gap of 5 months and 23 days. Goulamirian was on a 27-fight win streak with a 66% KO rate, and fighting after a layoff of 1 year, 4 months, and 11 days.
Gilberto Ramírez defeated Arsen Goulamirian via unanimous decision and wins the WBA title. Ramírez improves his record to 46-1, while Goulamirian adds a loss to his record at 27-1.
On June 30, 2018, the 27-year-old WBO super-middleweight world champion, Gilberto Ramírez (37-0, 25 KOs), faced a 34-year-old Colombian boxer Roamer Alexis Angulo (23-0, 20 KOs), in a title defense fight.
Ramírez came in to the fight on a 37-fight win streak with a 67% KO rate, and was fighting after a gap of 4 months and 27 days. Angulo was on a 23-fight win streak with a 87% KO rate, and fighting after a layoff of 4 months and 6 days.
Gilberto Ramírez defeated Roamer Alexis Angulo via unanimous decision and successfully defended his WBO super-middleweight title. Ramírez improves his record to 38-0, while Angulo adds a loss to his record at 23-1.
On February 3, 2018, the 26-year-old WBO super-middleweight world champion, Gilberto Ramírez (36-0, 24 KOs), faced Habib Ahmed, in a title defense fight.
Ramírez came in to the fight on a 36-fight win streak with a 66% KO rate, and was fighting after a gap of 4 months and 12 days.
Gilberto Ramírez stopped Habib Ahmed via TKO in the 6th round of the 12-round world-title fight, and successfully defended his WBO super-middleweight title. Ramírez improves his record to 37-0 (25 KOs)
On September 22, 2017, the 26-year-old WBO super-middleweight world champion, Gilberto Ramírez (35-0, 24 KOs), faced a 28-year-old American boxer Jesse Hart (22-0, 18 KOs), in a title defense fight.
Ramírez came in to the fight on a 35-fight win streak with a 68% KO rate, and was fighting after a gap of 5 months. Hart was on a 22-fight win streak with a 81% KO rate, and fighting after a layoff of 5 months and 14 days.
Gilberto Ramírez defeated Jesse Hart via unanimous decision and successfully defended his WBO super-middleweight title. Ramírez improves his record to 36-0, while Hart adds a loss to his record at 22-1.
On December 14, 2018, Gilberto Ramírez and Jesse Hart met again in a rematch.
Ramírez came in to the fight on a 38-fight win streak with a 65% KO rate, and was fighting after a gap of 5 months and 14 days. Hart was on a 3-fight win streak with a 80% KO rate, and fighting after a layoff of 3 months and 26 days.
Gilberto Ramírez defeated Jesse Hart via majority decision in the rematch and successfully defended his WBO super-middleweight title. Ramírez improves his record to 39-0, while Hart adds a loss to his record at 25-2.
On April 22, 2017, the 25-year-old WBO super-middleweight world champion, Gilberto Ramírez (34-0, 24 KOs), faced Max Bursak, in a title defense fight.
Ramírez came in to the fight on a 34-fight win streak with a 70% KO rate, and was fighting after a gap of 1 year and 13 days.
Gilberto Ramírez defeated Max Bursak via unanimous decision and successfully defended his WBO super-middleweight title. Ramírez improves his record to 35-0
On November 5, 2022, a 31-year-old Gilberto Ramírez (44-0, 30 KOs) got a shot at the light-heavyweight WBA (Super) title held by 31-year-old Russian boxer Dmitry Bivol (20-0, 11 KOs).
Ramírez came in to the fight on a 44-fight win streak with a 68% KO rate, and was fighting after a gap of 5 months and 22 days. Bivol was on a 20-fight win streak with a 55% KO rate, and fighting after a layoff of 5 months and 29 days.
Dmitry Bivol defeated Gilberto Ramírez via unanimous decision and successfully defended his WBA (Super) light-heavyweight title. Bivol improves his record to 21-0, while Ramírez adds a loss to his record at 44-1.
On December 17, 2010, a 19-year-old Gilberto Ramírez (14-0, 12 KOs) and a 22-year-old fellow Mexican boxer Rogelio Medina (23-0, 17 KOs) met in the ring in a middleweight bout.
Ramírez came in to the fight on a 14-fight win streak with a 85% KO rate, and was fighting after a gap of 1 month and 28 days. Medina was on a 23-fight win streak with a 73% KO rate, and fighting after a layoff of 1 month and 12 days.
Gilberto Ramírez stopped Rogelio Medina via TKO in the 6th round. Ramírez improves his record to 15-0 (13 KOs), while Medina adds a loss to his record at 23-1.
On May 14, 2022, a 30-year-old Gilberto Ramírez (43-0, 29 KOs) and a 32-year-old German boxer Dominic Boesel (32-2, 12 KOs) met in the ring.
Ramírez came in to the fight on a 43-fight win streak with a 67% KO rate, and was fighting after a gap of 4 months and 26 days. Boesel was on a 2-fight win streak with a 35% KO rate, and fighting after a layoff of 7 months and 5 days.
Gilberto Ramírez stopped Dominic Boesel via KO in the 4th round. Ramírez improves his record to 44-0 (30 KOs), while Boesel adds a loss to his record at 32-3.