Jorge Rodrigo Barrios vs Joan Guzman

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Barrios lost his title on the scales when he failed to make the weight so that the title was declared vacant after the weigh-in. The belt was on the line for Guzman only. Had Barrios not lost the fight, the title would have still been considered vacant. Barrios lost a point in the sixth round for repeated low blows. Unofficial weight on the day of the fight: Joan Guzman 143 lbs, Jorge Barrios 148lbs