On September 25, 2021, a 19-year-old Ernesto Mercado (1-0, 1 KO) and Osmel Mayorga met in the ring.
Mercado came in to the fight on a 1-fight win streak with a 100% KO rate, and was fighting after a gap of 1 month and 25 days.
Ernesto Mercado stopped Osmel Mayorga via RTD in the 1st round. Mercado improves his record to 2-0 (2 KOs)
On August 26, 2023, a 21-year-old Ernesto Mercado (11-0, 10 KOs) and Carlos Manuel Portillo met in the ring.
Mercado came in to the fight on a 11-fight win streak with a 90% KO rate, and was fighting after a gap of 1 month and 18 days.
Ernesto Mercado stopped Carlos Manuel Portillo via KO in the 1st round. Mercado improves his record to 12-0 (11 KOs)
On April 15, 2023, a 21-year-old Ernesto Mercado (9-0, 9 KOs) and Henry Lundy met in the ring.
Mercado came in to the fight on a 9-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 11 days.
Ernesto Mercado stopped Henry Lundy via KO in the 1st round. Mercado improves his record to 10-0 (10 KOs)
On April 14, 2022, a 20-year-old Ernesto Mercado (4-0, 4 KOs) and Daniel Evangelista Jr met in the ring.
Mercado came in to the fight on a 4-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 2 days.
Ernesto Mercado stopped Daniel Evangelista Jr via KO in the 1st round. Mercado improves his record to 5-0 (5 KOs)
On February 12, 2022, a 20-year-old Ernesto Mercado (3-0, 3 KOs) and Marc Misiura met in the ring.
Mercado came in to the fight on a 3-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 29 days.
Ernesto Mercado stopped Marc Misiura via KO in the 1st round. Mercado improves his record to 4-0 (4 KOs)
On October 14, 2021, a 19-year-old Ernesto Mercado (2-0, 2 KOs) and Nathan Benichou met in the ring.
Mercado came in to the fight on a 2-fight win streak with a 100% KO rate, and was fighting after a gap of 19 days.
Ernesto Mercado stopped Nathan Benichou via KO in the 1st round. Mercado improves his record to 3-0 (3 KOs)
On February 24, 2024, a 22-year-old Ernesto Mercado (13-0, 12 KOs) and Cristian Bielma met in the ring.
Mercado came in to the fight on a 13-fight win streak with a 92% KO rate, and was fighting after a gap of 3 months and 13 days.
Ernesto Mercado stopped Cristian Bielma via KO in the 2nd round. Mercado improves his record to 14-0 (13 KOs)
On August 25, 2022, a 20-year-old Ernesto Mercado (6-0, 6 KOs) and Alfredo Rodolfo Blanco met in the ring.
Mercado came in to the fight on a 6-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 13 days.
Ernesto Mercado stopped Alfredo Rodolfo Blanco via KO in the 2nd round. Mercado improves his record to 7-0 (7 KOs)
On July 27, 2024, a 22-year-old Ernesto Mercado (15-0, 14 KOs) and Hector Edgardo Sarmiento met in the ring.
Mercado came in to the fight on a 15-fight win streak with a 93% KO rate, and was fighting after a gap of 3 months and 22 days.
Ernesto Mercado stopped Hector Edgardo Sarmiento via RTD in the 3rd round. Mercado improves his record to 16-0 (15 KOs)
On April 5, 2024, a 22-year-old Ernesto Mercado (14-0, 13 KOs) and Deiner Berrio met in the ring.
Mercado came in to the fight on a 14-fight win streak with a 92% KO rate, and was fighting after a gap of 1 month and 12 days.
Ernesto Mercado stopped Deiner Berrio via RTD in the 3rd round. Mercado improves his record to 15-0 (14 KOs)