I wouldn't be terribly surprised to see one or the other get knocked out before the final. Stan vs Djokovic in a semi, for example.
hey, great if djokovic goes down. but he's looking better. if he brings the level he brought today he will win it.
i think murray will be less prone to upset though. i struggle to see anyone bar djokovic beating him at the moment. raonic and wawrinka would both have some chance but i'd still take him quite heavily over them.