Norton was a pressure fighter. Lennox was a safety-first out boxer. One is not a proxy for the other. That being said these cross era comparisons are difficult.
I have the impression that those hypothetical H2H matches are quickly becoming a boring exercise on "The bigger guy wins and there is nothing we can do about that". Of course, we all know size matters in boxing and sometimes physical differences are simply too wide and big to be overcome. But there is a lot more to boxing than just sheer size. As a personal opinion I think Ali wins but I don't totally discard Lewis' chances, and I agree he has significant physical advantages over Ali. Who knows? Maybe Lewis even has the upper hand. But this whole “Lewis is bigger than Ali, therefore Lewis defeats Ali” argument in some posts is becoming kinda a tiresome tautology by now.
Who did either guy stop other than Lewis? Ali stopped an iron jawed Bonavena, was the only guy to stop Foreman, was the only guy besides Foreman to stop a prime Ron Lyle. Who did Rahman or McCall stop to make them big punchers?
I'm really surprised with many people saying either Ali or Lewis wins this easily. It's a very close fight imo and nobody is knocking out each other also imo. I think Lewis wins this but idk if this is a 15 or 12 round fight. If 15, then Ali has more chances.
Yes...He beats a shopworn past his prime Ali of the Spinks fights in 1978...but Ali of 1963-1967?...That's a different proposition...
That Ali was truly remarkable and I think, given access modern training and conditioning, he would beat any heavyweight in history. Prime Holmes, Lewis, Fury, Tyson, Louis would all be tough fights still.