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
World Colored Heavyweight Championship the world heavyweight title in Paris, but nothing came of it. After losing his world heavyweight championship, Johnson never again fought for the colored heavyweight crown. Because great boxers of the era were barred from fighting for the heavyweight championship because of racism, Johnson’s refusal to fight African-Americans offended the African-American community, since the opportunity to fight top white boxers was rare. Jeanette criticized Johnson, saying, "Jack forgot about his old friends after he became champion and drew the color line against his own people." The World Boxing Council attempted to create a similar championship in 2004 called the All