Fight results: Beterbiev defeats Bivol, becomes undisputed champion Artur Beterbiev downs Dmitry Bivol: Round-by-round analysis Artur Beterbiev Vs. Dmitry Bivol Results: Winner, Scores And Reaction #arturbeterbiev #dmitrybivol #bivolbeterbiev Artur Beterbiev edged out Dmitry Bivol by majority decision to become the first undisputed light heavyweight champion in the four-belt era, in a highly anticipated match between the division's top fighters. Beterbiev (21-0, 20 KOs), the WBC, WBO, and IBF titleholder, added Bivol's WBA belt to his collection but saw his perfect KO streak end, as he was forced to go the distance for the first time. Beterbiev, a 175-pound champion since 2017, had previously knocked out all 20 of his opponents, but Bivol's sharpness and movement kept him at bay for much of the fight. The bout, long awaited by fans, took place after being delayed by Beterbiev's knee surgery earlier in the year. Bivol (23-1, 12 KOs), who had made 12 successful defenses of his belt, s