On December 18, 2020, a 38-year-old Alfonso López III (1-0, 1 KO) and Gilberto Ramírez met in the ring in a light-heavyweight bout.
III came in to the fight on a 1-fight win streak with a 100% KO rate, and was fighting after a gap of 11 years, 8 months, and 22 days.
Alfonso López III lost to Gilberto Ramírez via KO in the 10th round, and adds a loss to his record at 1-1.
On March 26, 2009, a 26-year-old Alfonso López III (debutant) and Billy Thompson met in the ring in a super-middleweight bout.
Alfonso López III stopped Billy Thompson via TKO in the 3rd round, making a successful professional debut. III advances his record to 1-0 (1 KO)