David Haye was knocked out by 40 year old Carl Thompson a who was smaller than Dempsey. Who would have won in Dempsey vs Haye?
Thompson didn't knock Haye out but Dempsey was KO'd by Fireman Flynn in 15 seconds. Haye by brutal KO. Dempsey never in his career fought anybody as good as Haye.
Dempsey would have eaten his cornflakes out of the top of Haye's skull. Haye has done nothing in the real physical universe, to suggest that he would be likley to beat Dempsey.
Dempsey wins by heavy KO , haye comments at post fight press conference "I was surprised by the speed of Dempsey , but I reckon if I hadn't of had a bad toe I would of won it affected my balance badly