I think JJ struggles against bigger guys with power in their hands who have decent take down defense. He doesnt have the power to finish these guys like dc does. Guys who could potentially beat jones at heavyweight - Stipe - I think jones would really struggle against him. Stipe is basically a stronger version of gus with better wrestling Dos Santos - I know hes fallen off quiet a bit but his in and out boxing style and power would give jones trouble. Overeem - One of the greatest strikers ever who could muscle jon around in the clinch Alexander Volkov - An even bigger version of gus. I think JJ destroys caine however. JJ would probably put caine on his back over and over again as he does with smaller guys and ground and pounds him out.