Juan Manuel Márquez Méndez (born August 23, 1973 in Mexico City, Distrito Federal, Mexico), is a Mexican professional boxer and the current WBO light welterweight champion. He is the third Mexican-born boxer to become a four-division world champion, where he won seven world titles in four different boxing weight classes.
Ring Magazine currently ranks Márquez as the number six pound-for-pound boxer in the world and number four in the junior welterweight division. He is considered by some analysts to be among the greatest Mexican boxers of all-time.
Juan Manuel is the brother of Rafael Márquez, who is a former world champion in the bantamweight and super bantamweight divisions. They're both trained under Ignacio Beristain and Assistant Japanese Toshi Nakajima. At one time, the two were listed in Ring Magazine's top ten pound-for-pound list. They are one of four sets of Mexican brothers to hold world titles. He is also famous for drinking his own urine during training sessions. Márquez and his wife, Erika, have two sons and a daughter.
Márquez had an amateur record of 35–1 that included two Golden Glove tournament wins.
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