Professional boxing knocked him out in brutal fashion. This fight made Hagler famous; he was able to lure Ray Leonard out of retirement in 1987, but lost in a highly-controversial decision. Hagler retired from boxing immediately after that fight. In the latter half of the decade young heavyweight Mike Tyson emerged as a serious contender. Nicknamed "Iron Mike", Tyson won the heavyweight unification series to become world heavyweight champion at the age of 20 and the first undisputed champion in a decade. Tyson soon became the most widely known boxer since Ali due to an aura of unrestrained ferocity, such as that
Boxing in Wales decade of the 21st century of boxing in Wales was dominated by a single fighter, Joe Calzaghe. Although Calzaghe came to note after beating former Middleweight World Champion Chris Eubank on points in 1997 to win the WBO title, it was during the 2000s that he came to prominence. Calzaghe finished his career with 46 bouts and no losses, one of the few World Champions to retire undefeated. Other boxers of note to emerge during the early 21st century include, Jason Cook who became European Lightweight Champion in 2002, Nathan Cleverly the European, British and Commonwealth light heavyweight title holder,