Argentina

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John Molina, top, knocks down Lucas Matthysse, of Argentina, during the fifth round of a boxing match Saturday, April 26, 2014, in Carson, Calif. (AP Photo/Jae C. Hong)

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Trainer Joe Goossen removes a mouthguard from John Molina Jr. after his 11th-round knockout loss to Lucas Matthysse, of Argentina, in a junior welterweight boxing match Saturday, April 26, 2014, in Carson, Calif. (AP Photo/Jae C. Hong)

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Lucas Matthysse, of Argentina, celebrates his 11th-round knockout victory against John Molina Jr. in a junior welterweight boxing match Saturday, April 26, 2014, in Carson, Calif. (AP Photo/Jae C. Hong)