On December 16, 2023, the 27-year-old IBF flyweight champion, Sunny Edwards (20-0, 4 KOs), and the 23-year-old WBO flyweight champion Jesse Rodríguez (18-0, 11 KOs) met in a title-unification fight.
Edwards came in to the fight on a 20-fight win streak with a 20% KO rate, and was fighting after a gap of 6 months and 6 days. Rodríguez was on a 18-fight win streak with a 61% KO rate, and fighting after a layoff of 8 months and 8 days.
Sunny Edwards refused to continue the fight in the 9th round, and Jesse Rodríguez is crowned the new IBF flyweight world champion. Rodríguez improves his record to 19-0 (12 KOs), while Edwards adds a loss to his record at 20-1.