Joe Calzaghe is a retired Welsh professional boxer, widely regarded as one of the best fighters of his era. Born on March 23, 1972, he held the WBA, WBC, IBF, and WBO super middleweight titles, as well as the Ring magazine title. Calzaghe is known for his quick hands, exceptional footwork, and undefeated record of 46 wins, with 32 of those by knockout. Throughout his career, Calzaghe defended his titles successfully 21 times, showcasing his skill against notable opponents like Bernard Hopkins and Roy Jones Jr.. He was inducted into the International Boxing Hall of Fame in 2014, solidifying his legacy in the sport.