Haye hits nothing like Corrie Sanders. Sanders had amazing straight left power. He doesn't loop punches from the hip. They just come straight and fast. Wlad will be able to lean away from Haye's power punches. However, I don't think Haye will be able to defend against Wlad's hooks. I expect that to be the defining punch of their fight. Expect Haye to go down very early from a left hook and then go down permananently shortly afterwards from a straight right.
Corrie's straight left hand comes at you backwards also. His nickman is "The Sniper" and for very good reason. He was in the best shape of his life for that fight had been training for many months, he was going to fight Valouev in South Africa. Vlad did not train for that fight, much less spar with southpaws. Haye is not in the same class as Sanders was.