#3 Learn to use his striking knowledge effectively
In order to make item #4 work, Punk would need to set them up using his strikes. This is where his stand-up game must be used effectively.
Mixed martial arts is a game of inches and each and every fighter on the roster is aware of this fact. With that being said, the great majority of them would not haphazardly dive in for an ill-advised takedown just to get the fight to the ground. Those who do, unfortunately, pay a steep price.