On October 23, 2020, the 25-year-old WBC flyweight world champion, Julio Cesar Martinez (16-1, 12 KOs), faced Moisés Calleros, in a title defense fight.
Martinez came in to the fight on a 16-fight win streak with a 70% KO rate, and was fighting after a gap of 7 months and 24 days.
Julio Cesar Martinez made very easy work of Moisés Calleros, stopping the challenger via TKO in the 2nd. Martinez improves his record to 17-1 (13 KOs)
On December 20, 2019, 24-year-old Julio Cesar Martinez (14-1, 11 KOs) and 25-year-old Cristofer Rosales (29-4, 20 KOs) fought for the vacant WBC flyweight title.
Martinez came in to the fight on a 14-fight win streak with a 73% KO rate, and was fighting after a gap of 3 months and 20 days. Rosales was on a 1-fight win streak with a 60% KO rate, and fighting after a layoff of 3 months and 26 days.
Julio Cesar Martinez stopped Cristofer Rosales via TKO in the 9th round of the 12-round world-title fight. Martinez improves his record to 15-1 (12 KOs), while Rosales adds a loss to his record at 29-5.
On June 26, 2021, the 26-year-old WBC flyweight world champion, Julio Cesar Martinez (17-1, 13 KOs), faced Joel Cordova, in a title defense fight.
Martinez came in to the fight on a 17-fight win streak with a 72% KO rate, and was fighting after a gap of 8 months and 3 days.
Julio Cesar Martinez stopped Joel Cordova via TKO in the 6th round of the 12-round world-title fight, and successfully defended his WBC flyweight title. Martinez improves his record to 18-1 (14 KOs)
On May 6, 2023, the 28-year-old WBC flyweight world champion, Julio Cesar Martinez (19-2, 14 KOs), faced a 26-year-old Panamanian boxer Ronal Batista (15-2, 9 KOs), in a title defense fight.
Martinez came in to the fight on a 1-fight win streak with a 66% KO rate, and was fighting after a gap of 5 months and 3 days. Batista was on a 3-fight win streak with a 52% KO rate, and fighting after a layoff of 4 months and 19 days.
Julio Cesar Martinez stopped Ronal Batista via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBC flyweight title. Martinez improves his record to 20-2 (15 KOs), while Batista adds a loss to his record at 15-3.
On December 3, 2022, the 27-year-old WBC flyweight world champion, Julio Cesar Martinez (18-2, 14 KOs), faced a 26-year-old Spanish boxer Samuel Carmona (7-0, 4 KOs), in a title defense fight.
Martinez came in to the fight on a 1-fight losing streak with a 70% KO rate, and was fighting after a gap of 8 months and 28 days. Carmona was on a 7-fight win streak with a 57% KO rate, and fighting after a layoff of 8 months and 2 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.
On February 29, 2020, the 25-year-old WBC flyweight world champion, Julio Cesar Martinez (15-1, 12 KOs), faced Jay Harris, in a title defense fight.
Martinez came in to the fight on a 15-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 9 days.
Julio Cesar Martinez defeated Jay Harris via unanimous decision and successfully defended his WBC flyweight title. Martinez improves his record to 16-1
On March 30, 2024, the 29-year-old WBC flyweight world champion, Julio Cesar Martinez (20-2, 15 KOs), faced a 28-year-old Venezuelan boxer Angelino Cordova (18-0-1, 12 KOs), in a title defense fight.
Martinez came in to the fight on a 2-fight win streak with a 68% KO rate, and was fighting after a gap of 10 months and 24 days. Cordova was on a 15-fight win streak with a 63% KO rate, and fighting after a layoff of 11 months and 24 days.
Julio Cesar Martinez defeated Angelino Cordova via majority decision and successfully defended his WBC flyweight title. Martinez improves his record to 21-2, while Cordova adds a loss to his record at 18-1-1.
On March 23, 2019, a 24-year-old Julio Cesar Martinez (13-1, 10 KOs) and Andrew Selby met in the ring.
Martinez came in to the fight on a 13-fight win streak with a 71% KO rate, and was fighting after a gap of 1 month and 25 days.
Julio Cesar Martinez stopped Andrew Selby via KO in the 5th round. Martinez improves his record to 14-1 (11 KOs)
On January 26, 2019, a 23-year-old Julio Cesar Martinez (12-1, 9 KOs) and Irvin Ordaz met in the ring.
Martinez came in to the fight on a 12-fight win streak with a 69% KO rate, and was fighting after a gap of 3 months and 20 days.
Julio Cesar Martinez stopped Irvin Ordaz via TKO in the 1st round. Martinez improves his record to 13-1 (10 KOs)
On October 7, 2017, a 22-year-old Julio Cesar Martinez (6-1, 3 KOs) and Marvin Diaz met in the ring.
Martinez came in to the fight on a 6-fight win streak with a 42% KO rate, and was fighting after a gap of 3 months and 20 days.
Julio Cesar Martinez stopped Marvin Diaz via TKO in the 1st round. Martinez improves his record to 7-1 (4 KOs)