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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)

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)

Best of sports

Our favorite photos from this year's sporting events.