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.
Álvarez began his professional boxing career at age 15 and, by 20, became the youngest boxer to claim the World Boxing Council (WBC) light middleweight title in 2011. In 2013, he beat Austin Trout to win the World Boxing Association (WBA) (Unified version) and Ring titles. In the same year, he lost his WBC and Ring light middleweight titles to Floyd Mayweather Jr. in his first professional defeat. He defeated Miguel Cotto to win the WBC and Ring middleweight titles in 2016. That same year he returned to light middleweight to beat Liam Smith to win the World Boxing Organization (WBO) title. In 2017, he fought unified middleweight champion Gennady Golovkin to a split draw.