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
Heavyweight boxing championship records and statistics inducted into the armed forces. He was stripped of WBC and WBA titles but remained The Ring and lineal boxing champion, despite not having a boxing match until October 1970. In 2005, Ukrainian boxer Vitali Klitschko retired as WBC Champion. Following his retirement, the WBC conferred "champion emeritus" status on Klitschko, and assured him he would become the mandatory challenger if and when he decided to return. On August 3, 2008 the WBC awarded Klitschko a chance to regain his WBC Heavyweight title against then-champion Samuel Peter. Vitali regained the title after Peter asked the bout be stopped after the