- Inoue outclasses Paul Butler before 11th-round knockout
- Japanese star now holds all four bantamweight belts
Naoya Inoue became the first undisputed bantamweight champion in 50 years when he took the WBO title off Britain’s Paul Butler with a commanding performance in Tokyo.
Butler, 34, was given a lesson by the 29-year-old from Japan, who dominated throughout until he ended the contest with a with a right hand to the body followed by a solid left hook and a barrage of unanswered punches that floored Butler.