Juan Manuel Marquez, from Mexico, left, celebrates his win over Manny Pacquiao 

Juan Manuel Marquez, from Mexico, left, celebrates his win over Manny Pacquiao in their WBO world welterweight  fight Saturday, Dec. 8, 2012, in Las Vegas.  (AP Photo/Eric Jamison)
Associated Press
Juan Manuel Marquez, from Mexico, left, celebrates his win over Manny Pacquiao in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Eric Jamison)
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