Chávez Jr. vence a Lee por nocáut técnico

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  Julio Cesar Chavez, Jr., top, screamed in celebration as his father, Julio Cesar Chavez, left, joined in the celebration of Junior's victory over Andy Lee in their WBC middleweight title bout Saturday June 16, 2012 in El Paso, Texas. Victor Calzada / AP

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  Julio Cesar Chavez Jr., left, throws a left hook at Andy Lee during their WBC middleweight title bout Saturday, June 16, 2012, in El Paso, Texas.

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  Julio Cesar Chavez Jr., right, reacts after Andy Lee head-butted him during their WBC middleweight title bout Saturday June 16, 2012, in El Paso, Texas. Lee was warned by the referee. Victor Calzada / AP

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  Julio Cesar Chavez Jr., left, throws a right at Andy Lee during their WBC middleweight title bout Saturday, June 16, 2012, in El Paso, Texas. Victor Calzada / AP

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  Andy Lee, right, jabs at Julio Cesar Chavez Jr. during their WBC middleweight title bout Saturday, June 16, 2012, in El Paso, Texas. Victor Calzada / AP