Who Won The Undisputed Heavyweight Championship In 1978 After Defeating Muhammad Ali In A Historic Upset?

Leon Spinks!

Leon Spinks (July 11, 1953 – February 5, 2021) was an American professional boxer who competed from 1977 to 1995. In only his eighth professional fight, he won the undisputed heavyweight championship in 1978 after defeating Muhammad Ali in a split decision, in what is considered one of the biggest upsets in boxing history. Spinks was later stripped of the WBC title for facing Ali in an unapproved rematch seven months later, which he lost by a unanimous decision.

Besides being heavyweight champion and his characteristic gap-toothed grin (due to losing two and later all four of his front teeth), Spinks gained notoriety for the disaster which befell his career following the loss to Ali.[2] However, he did challenge once more for the WBC heavyweight title in 1981 (losing to Larry Holmes by TKO in the third round), and the WBA cruiserweight title in 1986 (losing to Dwight Muhammad Qawi by TKO in the sixth round).

As an amateur, Spinks won numerous medals in the light heavyweight division. The first was bronze at the inaugural 1974 World Championships, followed by silver at the 1975 Pan American Games, and gold at the 1976 Summer Olympics; the latter alongside his brother Michael Spinks, who won middleweight gold. Leon served in the United States Marine Corps from 1973 to 1976, rising to the rank of corporal. He was stationed at Marine Corps Base Camp Lejeune in North Carolina and was on the Marine Corps Boxing Team.[3]

Spinks also had a brief career as a professional wrestler in the 1990s, working for Frontier Martial-Arts Wrestling (FMW) and holding the FMW Brass Knuckles Heavyweight Championship in 1992.[4]

Spinks won three consecutive national AAU light heavyweight championships from 1974 to 1976, the first of which came against future champion Michael Dokes.[5] He was serving in the Marine Corps at the time.[3]

Spinks won the light heavyweight gold medal at the 1976 Summer Olympics in Montreal.[6][7] He defeated Abdel Latif FatihiAnatoliy KlimanovOttomar Sachse, and Janusz Gortat en route to the final, where he defeated Sixto Soria to win the gold.[8]

Spinks finished his amateur career with a record of 178–7 with 133 knockouts.[9]

Spinks debuted professionally on January 15, 1977 in Las Vegas, Nevada, beating Bob Smith by knockout in five rounds.[10] His next fight was in Liverpool, England, where he beat Peter Freeman by a first-round knockout.[11] Later, he saw an improvement in opposition quality, when he fought Pedro Agosto of Puerto Rico and knocked him out in round one.[12] He then fought Scott LeDoux to a draw and defeated Italian champion Alfio Righetti in a decision.[13][14]

At the time a lower-ranked contender, he made history on February 15, 1978, by beating Muhammad Ali on a 15-round split decision in Las Vegas, Nevada.[15] Spinks won the world heavyweight title in his eighth professional fight, the shortest span in history.[16] The aging Ali had expected an easy fight, but he was out-boxed by Spinks, who did not tire throughout the bout.[15] It was one of the few occasions when Ali left the ring with a bruised and puffy face.

The victory over Ali was the peak of Spinks’ career.[15] He was the only man to take a title from Muhammad Ali in the ring, as Ali’s other losses were non-title contests or bouts where Ali was the challenger. Spinks’ gap-toothed grin was featured on the cover of the February 19, 1978 issue of Sports Illustrated.[17]

However, Spinks was stripped of his world title by the WBC for refusing to defend it against Ken Norton, instead agreeing to a return bout against Ali to defend his WBA crown.[15] The title, stripped from Spinks, was then awarded to Norton.[18]

His second match with Ali, at the Louisiana Superdome on September 15, 1978, went badly for Spinks. A now-in-shape Ali—with better, sharper tactics—rarely lost control, winning back his title by a unanimous fifteen-round decision.[15] Ali regained the title, becoming the first three-time lineal heavyweight champion.[19] Spinks was never given a rematch; Ali retired after the fight (although he came out of retirement a few years later to fight Larry Holmes and Trevor Berbick).

Spinks defeated Ray Kipping on June 19, 1995, in St. LouisSpinks during his final victory held at the “Little Bit of Texas” in St. Louis

Spinks’s next fight, his only one in 1979, was at Monte Carlo, where he was knocked out in the first round by future WBA world heavyweight champion Gerrie Coetzee.[20] In the following fight, Spinks defeated former world title challenger and European title holder Alfredo Evangelista by a knockout in round 5.[21] He then fought to a draw in with Eddie López,[22] scored a knockout over Kevin Isaac in May,[23] and, in October, beat the WBC’s top-ranked challenger, Bernardo Mercado, by a knockout in round nine on the undercard of Muhammad Ali vs. Larry Holmes.[24]

His strong performance against Mercado earned Spinks a title match against Larry Holmes. In Spinks’ only fight in 1981, and what would be his last opportunity to win the heavyweight title, he suffered a loss via TKO in the third round at Joe Louis Arena in Detroit, Michigan on June 12.[25]

Source: https://en.wikipedia.org/wiki/Leon_Spinks

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