Michael Spinks world Heavyweight champion in Las Vegas. 1979 saw Spinks get less than three minutes of boxing action inside a ring, with his only fight ending in a first round knockout of Marc Hans, but in 1980, Spinks took his ascent towards the top to another level, when he beat future IBF super-middleweight champion Murray Sutherland, David Conteh, and fringe contenders Ramon Ronquillo and Alvaro Yaqui Lopez (who challenged for a world title four times). Of his five wins that year, three came by knockout, Sutherland and Johnny Wilburn being the only ones who lasted the distance. By 1981, Spinks was
Leon Spinks vs. Muhammad Ali II Pat Putnam of Sports Illustrated wrote: "The plan was simple. Ali would jab, jab, throw a right and grab. When Spinks came flailing in, Ali would hook his left hand around the back of Spinks' head and pull him into an embrace, effectively limiting Spinks to one or two punches or pulling him off balance. And Ali would dance, baby, dance. He would tie up Spinks and then dance away from him on the break, circling to the right, circling to the left. And the fight went as plotted." Referee Lucien Joubert took the fifth round away from Ali for