Leon Spinks the distinction until the Klitschko brothers became champions two decades later. In the 1980s Leon Spinks competed in several boxer vs. wrestler matches in New Japan Pro-Wrestling (NJPW), including losing by submission to Antonio Inoki. In 1986 Spinks earned his last championship opportunity, fighting Dwight Muhammad Qawi for the WBA cruiserweight championship. Qawi had been defeated by Michael Spinks three years earlier for his WBC light heavyweight championship. However, Leon Spinks lost by TKO in the sixth round. During the fight, Qawi taunted Spinks as he beat him mercilessly in a corner. Spinks boxed for another eight years with mixed
Michael Spinks and narrow fifteen-round unanimous decision and becoming the first ever world light-heavyweight champion to win the world heavyweight title. His controversial victory over Holmes was named "Ring Magazine" Upset of the Year. With this, Michael and Leon had also become the first pair of brothers ever to be world heavyweight champions, followed two decades later by Wladimir and Vitali Klitschko. In 1986, Spinks and Holmes fought a rematch as part of the heavyweight unification series, and had nearly the same result, this time Spinks winning by a 15-round split decision. After that, he retained the world heavyweight championship once again,