Santos Saúl "Canelo" Álvarez Barragán is a Mexican professional boxer. He has held multiple world championships in four weight classes, from light middleweight to light heavyweight, including unified titles in three of those weight classes. In 2021, Álvarez became the first boxer in history to become the undisputed super middleweight champion, before becoming a two-time undisputed super middleweight champion in 2025. He also held the Ring magazine super middleweight title from 2020 to 2025.