CM Punk is currently working with some injuries, reports PWInsider, and he has been for several weeks. Punk's knee and ankle are the two primary injuries, but he is said to be dealing with some other nagging injuries as well.
It's being said the attack from Ryback at NOC was meant to buy Punk a week or two off television.
In other Punk-related news, there's been several discussions backstage regarding his future with WWE once his current contract is up next summer. While it's still too early to know what Punk will do when that time comes, it is something being talked about behind the scenes.
We'll keep you posted on Punk's injury status as more information becomes available.