20. Stripped of his heavyweight title in 1967 for refusing induction into the U.S. military, Muhammad Ali regained the heavyweight championship on October 30, 1974, in Kinshasa, Zaire with an eighth-round knockout of which prizefighter?
(a) George Foreman (b) Joe Frazier (c) Leon Spinks (d) Sputnik
Answer : (a)
Explanation : No answer description available for this question. Let us discuss.