Angel Fierro has three losses against three opponents on his boxing record. For a list of Fierro's best fights, refer to "Best fights of Angel Fierro".
On February 1, 2025 Angel Fierro faced off against Isaac Cruz in a super-lightweight bout at age 31. He was coming in with a record of 23-3-2 (18), and Cruz was 26 years old and with a record of 26-3-1 (18). Fierro lost the fight via 10-round unanimous decision.
On June 15, 2024 Angel Fierro faced off against Alfredo Santiago in a lightweight bout at age 30. He was coming in with a record of 22-2-2 (17), and Santiago was 29 years old and with a record of 14-2 (6). Fierro lost the fight via 10-round points decision.
On January 11, 2020 Angel Fierro faced off against Alex Martin at age 26. He was coming in with a record of 16-1-1 (12). Fierro lost the fight via 8-round majority decision.