Artur Beterbiev
IBA president wants trilogy bout between Bivol and Beterbiev in Moscow
Bivol dethrones Beterbiev after thrilling light-heavyweight bout in Riyadh
Beterbiev edges Bivol to become undisputed world champion
Undefeated Beterbiev stops Smith to retain three light-heavyeight titles
Beterbiev stops Yarde in eighth round to retain titles in thriller