Juan Manuel Marquez

Juan Manuel Márquez Méndez (born August 23, 1973), is a Mexican professional boxer. He is the fourth Mexican boxer to become a three-division world champion, where he won eightworld titles in three different boxing weight classes.Currently, Marquez is the WBA, WBO and The Ring Lightweight World Champion. He is also currently rated by The Ring as the number three pound-for-pound boxer in the world.

Juan Manuel is the brother of Rafael Márquez, who is a former world champion at the Bantamweight and Super bantamweight division. They both trained under Ignacio "Nacho" Beristain and Assistant Gildardo Marquez , who is considered as one of Mexico's best boxing trainers. 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. Márquez and his wife, Erika, have two sons and a daughter. 

An orthodox boxer, Marquez is known for his speed and counter-punching style. His fighting style was elusive because most of his fights, he's always rotating or moving his left hand and release over punches.
source: wiki