I Thi k usyk would have quite a fun time v old povetkin, povetkin has slowed down quite a bit over the last few years and despite still being pretty good at this stage of their careers I think the only advantage he has over usyk would be his power.... Good fight for usyk he should take it, if he's not capable of beating 40 year old povetkin he might Aswell just mhjke a load of defences at Cruiserweight.