Isaac "Pitbull" Cruz may be one of the shortest fighters in boxing, but countless opponents have learned the hard way that size means nothing when you're facing a Pitbull. From Gervonta "Tank" Davis and Rolando Romero to Yuriorkis Gamboa, Angel Fierro, Lamont Roach Jr. and more, this video tells the story of the fighters who underestimated Cruz's relentless pressure, brutal power, and warrior mentality. What they saw as a disadvantage became their worst nightmare once the bell rang. This is the story of why you should NEVER trash talk Isaac "Pitbull" Cruz. 🥊 Featuring: • Isaac "Pitbull" Cruz • Gervonta Davis • Rolando Romero • Yuriorkis Gamboa • Giovanni Cabrera • Eduardo Ramirez • Angel Fierro • Lamont Roach Jr. If you enjoy boxing documentaries, fight stories, knockouts, rivalries, and the biggest moments in boxing history, make sure to subscribe for more. #IsaacCruz #PitbullCruz #Boxing #GervontaDavis #RollyRomero #TankDavis #MexicanBoxing #BoxingDocumentary #FightStory #BoxingHighlights #LamontRoach #AngelFierro #BoxingHistory #Knockouts #Boxeo