J. M. Johnson collaboration with London-based world-renowned boxing promoter, Jack Solomons, staged the very first world boxing title fight in Africa, In Ibadan, Western Nigeria between Tiger and Fullmer, in 1963, well before the much publicized The Rumble in the Jungle fight between Muhammad Ali vs George Foreman in Zaire, in 1974. In 1963 he retired from politics by declining to contest the General Elections. This was, as he put it, to make way for the young, which endeared him to many Nigerians. Born into Lagosian & Brazilian families in Lafiaji, Lagos, he was described as tall, handsome, flamboyant, gregarious and renowned as
George Foreman vs. Ken Norton winning the bout by first-round knockout. For his second defense, Foreman was matched up against Ken Norton for a March 1974 bout held in Caracas, the capital and largest city in Venezuela. Norton was coming off two successive fights against Muhammad Ali in 1973, winning the first fight in March by split decision (famously breaking Ali's jaw in the process), and then narrowly losing the second by another split decision in September. Norton's impressive performances against Ali made him one of the top heavyweight contenders for Foreman's titles, but the future hall-of-famer was installed as a 3–1 underdog against the