vs Who would have won if these two heavy hitters fought each other in their peak forms? They both have serious KO power but not the greatest gas tanks. Nelson has the legendary chin but is Carwin powerful enough to put Roy's lights out? Would there be much grappling? Could Carwin take Roy down if he got rocked? Something tells me there would be a lot of clinching against the cage, especially once they get tired. Something tells me Roy's chin is the difference but Roy has still lost a lot of decisions. Then again, Carwin never won a decision in his career. What do you think would happen if these two fought?