 Delivered as the bell sounded, the blow was ruled a disqualification in the ring and Ruiz was declared the winner.The next day, however, his manager, Ramón Felix, consulted with the Mexican boxing commission, and after further review, the result was overturned and Chávez was declared the winner.Chávez won his first championship, the vacant WBC Super Featherweight title, on September 13, 1984, by knocking out fellow Mexican Mario "Azabache" Martínez at the Grand Olympic Auditorium in Los Angeles.