Brandon Ríos has five losses against five opponents on his boxing record. For a list of Ríos's best fights, refer to "Best fights of Brandon Ríos".
On February 23, 2019 Brandon Ríos faced off against Humberto Soto at age 32. He was coming in with a record of 35-5-1 (26), and Soto was 38 years old and with a record of 68-9-2 (37). Ríos lost the fight via 12-round unanimous decision.
On February 17, 2018 Brandon Ríos faced off against Danny García at age 31. He was coming in with a record of 34-4-1 (25), and García was 29 years old and with a record of 33-1 (19). Ríos lost the fight via 9th-round TKO.
On November 7, 2015 Brandon Ríos fought Timothy Bradley in a welterweight world-title fight for Bradley's WBO title. Ríos was 29 years old and with a record of 33-3-1 (24), and Bradley was 32 years old and with a record of 32-1-1 (12). Ríos lost the fight via 9th-round TKO.
On November 24, 2013 Brandon Ríos faced off against Manny Pacquiao in a welterweight bout at age 27. He was coming in with a record of 31-2-1 (23), and Pacquiao was 34 years old and with a record of 54-5-2 (38). Ríos lost the fight via 12-round unanimous decision.
On March 30, 2013 Brandon Ríos fought Mike Alvarado in a super-lightweight world-title fight for Alvarado's WBO title. Ríos was 26 years old and with a record of 31-1-1 (23), and Alvarado was 32 years old and with a record of 33-1 (23). Ríos lost the fight via 12-round unanimous decision.