I'd take Liston to catch up with Haye around the 5th round. I think Hearns would catch up with Hatton in 5 seconds.
I think that Hatton would have fought Hearns with his nose on his chest and would have been stopped on bad cuts between 7-9 Rounds...:yep I think that Haye disposes of Liston at his choosing, similar to the way he Iced Enzo...:yep
Haye might surprise (stun, or even drop) Liston early with his power, but Sonny takes him out brutally by the fourth.
You are overestimating Liston...he traded on his size advantage (I think he only fought 2 or 3 men who were the same size or slightly bigger). Hammering the likes of Patterson who was giving a way a couple of stone is a completely different proposition to fighting Haye who has power, speed and movement but also has the size advantage.