▁with ▁a ▁ 1 5 - round ▁draw ▁( t ie ). ▁ ▁The ▁W BA ▁ordered ▁an ▁immediate ▁rem atch , ▁and ▁so ▁on ▁October ▁ 1 6 ▁of ▁the ▁same ▁year , ▁Villa fl or ▁went ▁to ▁San ▁Juan ▁to ▁defend ▁his ▁title ▁for ▁the ▁second ▁time ▁vs . ▁Ser rano . ▁Ser rano ▁beat ▁Villa fl or ▁by ▁using ▁his ▁ring ▁technique ▁to ▁win ▁ 1 2 ▁of ▁the ▁ 1 5 ▁r ounds ▁on ▁each ▁jud ges ' ▁score cards . ▁As ▁life ▁had ▁it , ▁Samuel ▁Ser rano ▁was ▁dest ined ▁to ▁become ▁a ▁world ▁champion ▁in ▁front ▁of ▁his ▁fans . ▁ ▁Ser rano ▁became ▁a ▁travel ing ▁champion , ▁def ending ▁his ▁title ▁in ▁places ▁like ▁Venezuela , ▁E cuador , ▁South ▁Africa , ▁Japan ▁( tw ice ) ▁and , ▁of ▁course , ▁Puerto ▁Rico . ▁One ▁of ▁his ▁def enses , ▁against ▁Jul io ▁Di abl ito ▁Val de z , ▁resulted ▁in ▁an ▁after - f ight ▁b raw l ▁when ▁Ser rano ▁was ▁announced ▁as ▁winner ▁by ▁a ▁un anim ous ▁decision ▁and ▁went ▁to ▁gre et ▁his ▁rival ▁but ▁was ▁received ▁with ▁a ▁p unch ▁to ▁the ▁face . ▁Ser rano ▁ret ali ated , ▁and ▁police ▁inter vention ▁was ▁needed . ▁Both ▁f igh ters ▁were ▁esc orted ▁to ▁their ▁dress ing ▁rooms ▁by ▁the ▁police . ▁But ▁dis aster ▁struck ▁for ▁Ser rano ▁in ▁Detroit ▁on ▁August ▁ 2 ▁of ▁ 1 9 8 0 , ▁when , ▁after