On December 3, 2022, a 26-year-old Samuel Carmona (7-0, 4 KOs) got a shot at the flyweight WBC title held by 27-year-old Mexican boxer Julio Cesar Martinez (18-2, 14 KOs).
Carmona came in to the fight on a 7-fight win streak with a 57% KO rate, and was fighting after a gap of 8 months and 2 days. Martinez was on a -1-fight win streak with a 70% KO rate, and fighting after a layoff of 8 months and 28 days.
Julio Cesar Martinez defeated Samuel Carmona via majority decision and successfully defended his WBC flyweight title. Martinez improves his record to 19-2, while Carmona adds a loss to his record at 7-1.