Here is a list of Mercado's best fights.
On November 11, 2023 Ernesto Mercado faced off against Jeremia Nakathila in a super-lightweight bout at age 22. He was coming in with a record of 13-0 (12), and Nakathila was 33 years old and with a record of 23-3 (19). Mercado stopped Jeremia Nakathila via KO.
On January 25, 2025 Ernesto Mercado faced off against José Pedraza in a super-lightweight bout at age 23. He was coming in with a record of 17-0 (16), and Pedraza was 35 years old and with a record of 29-6-1 (14). Mercado stopped José Pedraza via TKO.
