The fearsome Beterbiev holds three of the belts within the WBC, IBF and WBO variations and is the one world champion who boasts a 100 per cent knockout ratio, whereas fellow undefeated Russian Bivol famously stopped Canelo Alvarez in his tracks and has supplied 11 profitable defences of the WBA title he has held since 2017. A titanic showdown between former novice team-mates guarantees to be really epic.
