Mohamed ALI 61 fights, 56 wins Olympic Champion, Light-heavyweight, 1960 (Rome) World champion, 1964 (defeats Sonny Liston). World champion Heavyweight, 1974 (defeats Georges Foreman) World champion Heavyweight, 1978 (defeats Leon Spinks) Boxer of the year in 1963, 1972, 1974, 1975 and 1978.