40 knockouts. Márquez admitted the decision was hard to make, but initially made the decision 10 days prior to announcing it. Personal life Márquez was born in Mexico City. He grew up in a rough and poor area of Iztacalco, many of his friends succumbing to gang violence and dying young while he went on to box. Márquez has said that he has always been a good student and that he likes numbers. He studied and became an accountant, and worked for several government agencies. He gave up on his accounting work and focused entirely on his boxing career. He started practicing boxing at the age of eight inspired by his father's training. He stated that he likes to "eat well" and does not follow any kind of diet. His brother, Rafael Márquez, is a former world champion in the bantamweight and super bantamweight divisions. They both trained under Ignacio Beristáin and assistant Gilbert Márquez. 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. Márquez is a member of the PRI (Institutional Revolutionary Party). Márquez has been a commentator on the ESPN boxing show Golpe a Golpe since 2011. Márquez makes an appearance in the 2005 video game Fight Night Round 2. Professional boxing record Pay-per-view bouts See also List of featherweight boxing champions List of super-featherweight boxing champions List of lightweight boxing champions List of light-welterweight boxing champions List of boxing quadruple champions List of Mexican boxing world champions Notable boxing families References External links Juan Manuel Márquez profile at About.com 1973 births Living people Mexican male boxers Boxers from Mexico City Mexican accountants Welterweight boxers World featherweight boxing champions World super-featherweight boxing champions World lightweight boxing champions World light-welterweight boxing champions World Boxing Association champions World Boxing Council champions International Boxing Federation champions World Boxing Organization champions The Ring (magazine) champions International Boxing Hall of Fame inductees