Naoya Inoue didn’t just win — he put on a masterclass. Against Paul Butler, the final piece of the puzzle, Inoue showboated, stalked, and punished his way to becoming the first undisputed bantamweight champion of the four-belt era. From his destruction of McDonnell, Payano, and Rodriguez to his legendary wars with Donaire — this is the full story of how The Monster dominated an entire division… and made it look easy. 👑 Relentless pressure. 🎯 Surgical precision. 🔥 A legacy sealed in Tokyo. Welcome back to Fight Story. 00:00 - Introduction 00:53 - Back story 04:16 - Naoya Inoue vs Paul Butler Fight Highlights 📌 Subscribe for more legendary boxing breakdowns. 🔔 Turn on notifications so you don’t miss what’s next. #NaoyaInoue #BoxingDocumentary #InoueVsButler #Undisputed #BoxingHistory #TheMonster #FightStory #PaulButler #Knockout #Bantamweight #HBOStyle #MonstruoStyle #BoxingHighlights #JapaneseBoxing