Floyd Mayweather's exhibition fight with John Gotti III ended in a mass brawl when people stormed the ring following a controversial decision. Referee Kenny Bayliss stopped the fight in the sixth round to the annoyance of Gotti, who then lashed out at 46-year-old Mayweather. The ring was then swarmed with team members from both sides as Bayliss struggled to contain the drama. Gotti III, 30, is the grandson of former New York crime boss John Gotti. The melee kicked off a number of fights amongst

John Gotti, the notorious Gambino family crime boss, was known for exuding his sense of power by wearing $1,800 suits, silk ties and cashmere topcoats. "Truth and Lies: The Last Gangster" takes a look at the influence of Gotti’s "pure gangster" personality in New York City - premiering Thursday at 8/7c on ABC. Stream on Hulu. https://abcn.ws/3tVRiID | ABC 20/20