On May 12, 2022, a 30-year-old Janiel Rivera (18-8-3, 11 KOs) and a 31-year-old fellow Puerto Rican boxer Angel Acosta (22-3, 21 KOs) met in the ring in a strawweight bout.
Rivera came in to the fight on a 5-fight losing streak with a 37% KO rate, and was fighting after a gap of 1 year, 2 months, and 29 days. Acosta was on a -1-fight win streak with a 84% KO rate, and fighting after a layoff of 8 months and 2 days.
Ángel Acosta stopped Janiel Rivera via KO in the 1st round. Acosta improves his record to 23-3 (22 KOs), while Rivera adds a loss to his record at 18-9-3.
On February 13, 2021, a 29-year-old Janiel Rivera (18-7-3, 11 KOs) and Saleto Henderson met in the ring.
Rivera came in to the fight on a 4-fight losing streak with a 39% KO rate, and was fighting after a gap of 5 months and 8 days.
Janiel Rivera lost to Saleto Henderson via TKO in the 3rd round, and adds an loss to his record at 18-8-3.
On September 5, 2020, a 28-year-old Janiel Rivera (18-6-3, 11 KOs) and Jesse Rodriguez Franco met in the ring.
Rivera came in to the fight on a 3-fight losing streak with a 40% KO rate, and was fighting after a gap of 8 months and 29 days.
Janiel Rivera lost to Jesse Rodriguez Franco via KO in the 1st round, and adds an loss to his record at 18-7-3.
On December 7, 2019, a 28-year-old Janiel Rivera (18-5-3, 11 KOs) and a 28-year-old Ghanaian boxer Duke Micah (23-0, 19 KOs) met in the ring.
Rivera came in to the fight on a 2-fight losing streak with a 42% KO rate, and was fighting after a gap of 4 months and 17 days. Micah was on a 23-fight win streak with a 82% KO rate, and fighting after a layoff of 3 months and 7 days.
Duke Micah defeated Janiel Rivera via unanimous decision in the 8-round fight. Micah improves his record to 24-0, while Rivera adds a loss to his record at 18-6-3.
On July 20, 2019, a 27-year-old Janiel Rivera (18-4-3, 11 KOs) and a 30-year-old Mexican boxer Pedro Guevara (34-3-1, 20 KOs) met in the ring.
Rivera came in to the fight on a 1-fight losing streak with a 44% KO rate, and was fighting after a gap of 1 month and 26 days. Guevara was on a 4-fight win streak with a 52% KO rate, and fighting after a layoff of 3 months and 7 days.
Pedro Guevara defeated Janiel Rivera via unanimous decision in the 12-round super-flyweight fight. Guevara improves his record to 35-3-1, while Rivera adds a loss to his record at 18-5-3.
On May 24, 2019, a 27-year-old Janiel Rivera (18-3-3, 11 KOs) and a 22-year-old fellow Puerto Rican boxer Wilfredo Mendez (12-1, 5 KOs) met in the ring in a strawweight bout.
Rivera came in to the fight on a 2-fight win streak with a 45% KO rate, and was fighting after a gap of 2 months and 1 day. Méndez was on a 3-fight win streak with a 38% KO rate, and fighting after a layoff of 2 months and 16 days.
Wilfredo Méndez defeated Janiel Rivera via split decision in the 10-round strawweight fight. Méndez improves his record to 13-1, while Rivera adds a loss to his record at 18-4-3.
On April 7, 2018, a 26-year-old Janiel Rivera (16-2-3, 10 KOs) and Carlos Licona met in the ring in a strawweight bout.
Rivera came in to the fight on a 4-fight win streak with a 47% KO rate, and was fighting after a gap of 7 months and 12 days.
Janiel Rivera lost to Carlos Licona via unanimous decision in the 10-round strawweight fight, and adds an loss to his record at 16-3-3.
On February 8, 2014, a 22-year-old Janiel Rivera (10-1-2, 6 KOs) got a shot at the light-flyweight WBC title held by 28-year-old Mexican boxer Adrián Hernández (28-2-1, 17 KOs).
Rivera came in to the fight on a 1-fight win streak with a 46% KO rate, and was fighting after a gap of 2 months and 23 days. Hernández was on a 6-fight win streak with a 54% KO rate, and fighting after a layoff of 5 months and 8 days.
Adrián Hernández made easy work of Janiel Rivera, stopping the challenger via TKO in the 3rd. Hernández improves his record to 29-2-1 (18 KOs), while Rivera adds a loss to his record at 10-2-2.
On July 13, 2013, a 21-year-old Janiel Rivera (9-0-2, 6 KOs) and Miguel Del Valle met in the ring.
Rivera came in to the fight on a 7-fight win streak with a 54% KO rate, and was fighting after a gap of 7 months and 7 days.
Janiel Rivera lost to Miguel Del Valle via unanimous decision in the 8-round fight, and adds an loss to his record at 9-1-2.