On May 22, 2021, the 28-year-old WBC and WBO super-lightweight champion, José Ramírez (26-0, 17 KOs), and the 30-year-old WBA (Super), IBF, and The Ring super-lightweight champion Josh Taylor (17-0, 13 KOs) faced each other for the undisputed world championpionship.
Ramírez came in to the fight on a 26-fight win streak with a 65% KO rate, and was fighting after a gap of 8 months and 23 days. Taylor was on a 17-fight win streak with a 76% KO rate, and fighting after a layoff of 7 months and 26 days.
Josh Taylor defeated José Ramírez via unanimous decision and wins the WBC, WBO, WBA (Super), IBF, and The Ring super-lightweight world champion — and becomes the undisputed super-lightweight world champion. Taylor improves his record to 18-0, while Ramírez adds a loss to his record at 26-1.