Full name
Jorge Guadalupe Madera Pacheco

Birthdate
December 17, 1952

Date of death
December 3, 2005

Debut
On January 12, 1972, in Mérida, Yucatán, he knocked out Víctor Canul in two rounds.

won the world title
On July 10, 1983, in Tokyo, Japan, he won a four-round technical decision against Japanese Matsue Tokashiki and obtained the World Boxing Association light flyweight title.

Lost His Title
In his fourth defense, on May 19, 1984, in Maracaibo, Venezuela, Francisco Quiroz knocked him out in nine rounds.

Withdrawal
May 19, 1984, before Francisco Quiroz