I wouldn't call it a puncher's chance, I think Arreola's only chance is to wear down Vitali and he's not going to do that with 1 punch.

IMO Arreola doesn't hit as hard as Lennox Lewis (obviously), Corrie Sanders, and maybe even Sam Peter...I don't see Arreola being able to hurt Vitali at all, unless Vitali allows himself to get drawn into a brawl and even then it's going to be like a Tank vs a Hummer....Vitali has superior skill and fire power, the only thing that can win this for Arreola is his heart or maybe Vitali's age