Juan Manuel Márquez Méndez (August 23, 1973) is a Mexican semi-retired professional boxer and a former world champion. He is the third Mexican-born boxer (after Erik Morales and Jorge Arce) to become a four-division world champion, winning seven world titles in four different boxing weight classes. A dangerous combination counter puncher, Marquez is known for being a fast and highly technical fighter. He is also known for his fights against Marco Antonio Barrera and Manny Pacquiao. He is considered to be one of the greatest Mexican boxers of all time. BoxRec ranks him as the greatest Mexican fighter of all-time pound-for-pound.