Alexander Povetkin was 'upset' after the knockout loss to Dillian Whyte but will make his own decision about retirement, says promoter Andrey Ryabinskiy.

high-profile rematch with Dillian Whyte ended in despair for the 41-year-old Russian heavyweight, who suffered a one-sided knockout loss

Alexander Povetkin and Dillian Whyte faced off where Whyte got his revenge with a fourth-round stoppage.