I agree, there's too much time in a 5 round fight for Junior to put hands on Cain.
As dude said earlier, it's not gonna be as easy the next time...trust. Cain was definitely rusty, and played JDS' game off jump, getting caught directly on the button as a result. Next time he'll fight smarter, and he could very well pull off the W because stylistically Cain is the biggest threat to JDS' belt aside from Overeem. I'd like to see what JDS would do from his back because I don't think his ground game's been tested like that....I think if Cain got him down he'd have problems, but who knows.