Description: (Longest-Reigning Super-Middleweight World Champion in Boxing History)
Joe Calzaghe is a former Welsh professional boxer known for his impressive career from 1993 to 2008. Throughout his time in the ring, he achieved multiple world championships in two different weight classes. Calzaghe held unified and lineal titles at super-middleweight and also secured the Ring magazine light-heavyweight title. Notably, he remains the longest-reigning super middleweight world champion in boxing history, defending his WBO title for over a decade against 20 opponents. Calzaghe made history by becoming the first boxer to unify three of the four major world titles at super-middleweight. His accomplishments led to him being recognized as one of the top ten active pound-for-pound boxers globally. Retiring undefeated with 46 wins, Calzaghe left the sport as a reigning world champion.