Mairon Santos losses
Over 7 years as a professional, Mairon Santos has compiled a 19-1 (9) record, fighting across six weight classes. His only loss came against Dan Argueta.
1. Mairon Santos loses to Dan Argueta via KO
On February 4, 2022 Mairon Santos faced Dan Argueta in a lightweight bout. Santos was 21 years old with a record of 12-0, and Argueta was 0 with a record of 0-0. Santos was on an undefeated 12-fight winning streak. Argueta stopped Santos via TKO in the 3rd round.