Usyk v joshua would be top drawer, usyk likes to do bugger all when he suspects danger for the first 1/4 of a f ight so he's always going to be down...
Hrgovic hits hard, looked good in that respect, seemed pretty clueless how to defend Molina right hand though, a quicker fellow could have cause him...
I haven't seen Stevenson for some time for whatever reason :S but if he developed the way he was going early on I don't think he'd have much trouble...
I think the key for me is that Ruiz genuainly has a great chin, he got floored in the first fight and then took everything that Joshua hit him with ....