Calzaghe competed from 1993 to 2008. He was trained by his father Enzo. The younger Calzaghe was a champion in two weight classes. He was the unified WBA (Super), WBC, IBF, WBO and "Ring" magazine super-middleweight champion. He was also the "Ring" light-heavyweight champion. BoxRec.com ranks him as the best British super-middleweight boxer of all time. He went undefeated in his professional career, having a record 46–0. He had famous wins against boxers such as Mikkel Kessler, Bernard Hopkins and Roy Jones Jr. (in his final fight). He retired on 5 February 2009. In 2007, Calzaghe won the BBC Sports Personality of the Year Award.