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
NWA World Historic Light Heavyweight Championship become the third ever NWA World Historic Light Heavyweight Champion. Bucanero became the first champion to have not also held the previous NWA World Light Heavyweight Championship. Due to the championship being vacated on February 23, 2015, CMLL held a tournament for the vacant light heavyweight championship starting March 1, 2015. La Sombra and Rey Bucanero outlasted Atlantis, Blue Panther, Dragón Rojo Jr., Ephesto, Misterioso Jr., Mr. Águila, Niebla Roja, Stuka Jr., Valiente and Último Guerrero in a 12-man "torneo cibernetico" elimination match. On March 8, Bucanero defeated La Sombra to win the tournament and the vacant championship. NWA World