Isaac "Pitbull" Cruz did what he promised. He came into the fight and delivered another knockout, catching Nestor Bravo with a hook that put him on the canvas, and kept him there. #PitbullBravo #IsacCruz #NestorBravo Visit PremierBoxingChampions.com for more info. SIGN UP FOR FIGHT ALERTS: https://pbcham.ps/FightAlerts FOLLOW US: https://twitter.com/premierboxing https://instagram.com/premierboxing https://www.facebook.com/premierboxingchampions