About Julio César Chávez
Julio César Chávez González, also known as Julio César Chávez Sr., is a Mexican former professional boxer who competed from 1980 to 2005. A multiple-time world champion in three weight divisions, Chávez was listed by The Ring magazine as the world's best boxer, pound for pound, from 1990 to 1993. During his career he held the WBC super featherweight title from 1984 to 1987, the WBA and WBC lightweight titles between 1987 and 1989, the WBC light welterweight title twice between 1989 and 1996, and the IBF light welterweight title from 1990 to 1991. He also held the Ring magazine and lineal lightweight titles from 1988 to 1989, and the lineal light welterweight title twice between 1990 and 1996. Chávez was named Fighter of the Year for 1987 and 1990 by the Boxing Writers Association of America and The Ring respectively. Chávez's 1993 win over Greg Haugen at the Estadio Azteca set the record for the largest attendance for a championship boxing match: 132,274. 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. His fight record was 89 wins, 0 losses, and 1 draw before his first professional loss to Frankie Randall in 1994, before which he had an 87-fight win streak until his draw with Pernell Whitaker in 1993.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.