José Ángel Nápoles, nicknamed "Mantequilla" ("Butter", because of his smooth boxing style), (April 13, 1940 – August 16, 2019) was a Cuban-born Mexican boxer and a World Welterweight Champion. He was ranked as one of the greatest fighters of all time. He was a member of the International Boxing Hall of Fame. His record of the most wins in unified championship bouts in boxing history, shared with Muhammad Ali, was unbeaten for 40 years. 