You can't really go past Cain in this, but if anyone can take him, it would be Dos Santos. I think what people don't take into account is that once you've won the title, once you've climbed to the top through pure hunger and sacrifice, defending puts them into a different position, a different mindset. It's the simple difference between trying to hold onto what you have rather than striving to attain something you so desire.
I'm just super fucking pissed that I'm going to miss it. It's only screening here on a channel I don't get in my current area. And I refuse to stream it, too much lag