By Geno McGahee Juan Manuel Marquez, 51-5-1, 37 KO’s, easily controlled Juan Diaz, 35-4, 17 KO’s, winning easily over the course of 12 rounds by the scores of 116-112, 117-111, and 118-110.  Diaz was gun shy the majority of the fight while Marquez used his superior skills and defense to befuddle and dominate the fight.