Unbeaten Naoya Inoue overpowers Paul Butler with a flurry of punches in the 11th round, earning his 21st knockout victory and capturing Butler's WBO title.
Paul Butler will cause a seismic upset when he beats Naoya "Monster" Inoue to become the undisputed bantamweight champion.
Facing Paul Butler in this high-profile bout, Naoya Inoue will confirm again that he's the world's No. 1 fighter in the weight division.