Congratulations to the first ever Undisputed WBO Bantamweight Champion Naoya Inoue, who defeated former WBO World Champion Paul Butler, via 11th-Round KO in Japan.

With the victory Inoue also becomes the first professional boxer from Japan to win all the belts.

“This is the greatest moment of my career”,. stated Inoue.

Three division champion Inoue has defeated 9 World Champions: Nonito Donaire (twice), Paul Butler, Emmanuel Rodríguez, Juan Carlos Payano, Adrian Hernández, Kohei Kono, Jamie McDonnell and Omar Narváez.