Considered one of the greatest southpaws ever, 2-time WBC Featherweight Champion, WBA Featherweight Champion.
His father guided him towards boxing to stop him from getting into fights on the street.
He fought at Estadio Azteca in front of 90,000, which became the fourth-largest boxing crowd in history.
He was raised in a family of 7 children.
He defeated Panamanian fighter Ismael Laguna via unanimous decision on June 1, 1964.
