Legendary middleweight who defended his Undisputed World Championship 14 times during a 7-year reign.
He started his professional career in 1963, after going 73-6-8 as an amateur.
He was inducted into the International Boxing Hall of Fame in 1990, after finishing his career with an 87-3-9 record.
He was convicted of killing his wife, model Alicia Muniz, in 1988.
He joined Muhammad Ali as one of the inaugural inductees of the International Boxing Hall of Fame in 1990.