Not sure how you can say CLG will choke in worlds when they absolutely crushed everybody in the summer finals, like the games weren't even close really. c9 is awesome because they actually do have some non-meta picks which can throw teams off and TSM once again will choke because Bjerg and his 4 wards have shitty teamplay.
I mean, Hell, CLG bootcamping in Korea with just about every other NA/EU teams. I'm honestly only worried about some of the Korean junglers eatting Xsmithie alive, cuz that could be bad for CLG. But at least you can always fall back on Aphro to make the plays and dlift to basically outfarm and outplay almost every other adc.