Felix Valera has eight losses against eight opponents on his boxing record. For a list of Valera's best fights, refer to "Best fights of Felix Valera".
On April 19, 2025 Felix Valera faced off against Tristan Kalkreuth in a cruiserweight bout at age 37. He was coming in with a record of 24-8 (21). Valera lost the fight via 10-round unanimous decision.
On October 26, 2024 Felix Valera faced off against Michał Cieślak in a cruiserweight bout at age 36. He was coming in with a record of 23-7 (20), and Cieślak was 35 years old and with a record of 26-2 (20). Valera lost the fight via 3rd-round TKO.
On August 30, 2024 Felix Valera faced off against Alexei Papin in a cruiserweight bout at age 36. He was coming in with a record of 23-6 (20), and Papin was 36 years old and with a record of 17-1 (16). Valera lost the fight via 5th-round TKO.
On December 24, 2021 Felix Valera faced off against Maxim Vlasov in a light-heavyweight bout at age 33. He was coming in with a record of 19-5 (16), and Vlasov was 35 years old and with a record of 45-4 (26). Valera lost the fight via 10-round unanimous decision.
On March 12, 2021 Felix Valera faced off against Bryan Perez Castillo in a light-heavyweight bout at age 33. He was coming in with a record of 18-4 (15). Valera lost the fight via 10-round unanimous decision.
On September 14, 2019 Felix Valera faced off against Vyacheslav Shabranskyy in a light-heavyweight bout at age 31. He was coming in with a record of 18-3 (15), and Shabranskyy was 32 years old and with a record of 20-2 (17). Valera lost the fight via 8-round disqualification.
On November 25, 2017 Felix Valera faced off against Sullivan Barrera in a light-heavyweight bout at age 29. He was coming in with a record of 15-2 (13), and Barrera was 35 years old and with a record of 20-1 (14). Valera lost the fight via 10-round unanimous decision.
On May 21, 2016 Felix Valera faced off against Dmitry Bivol in a light-heavyweight bout at age 28. He was coming in with a record of 13-1 (12), and Bivol was 25 years old and with a record of 6-0 (6). Valera lost the fight via 12-round unanimous decision.