Watch it again. Holyfield threw a double hook. First to body then to the head. The body punch is what hurt Mercer. The first time he went down from a punch to the head was against Wlad @ 42 yrs old.
Guys should've considered that when they picked Parker to stop Joyce. But, yes, thread is certainly a ways premature.
The Juggernaut is not fitting enough The Adamantium Automaton Just relentless, never discouraged in the slightest. And his footwork is a hugely important part of his style - for such a big guy he moves really well and is excellent at cutting off the ring
Saw an interview with Joyce where he said his bone density is 3-5 times more then normal from a bone scan he had. I’ll see if I can find it, I’m pretty sure it was on here recently.
Usyk, in my opinion hasn't the power to take down a heavyweight very easily. Stepping up to the division doesn't necessarily give him more power.