The Palace manager was able to say the Eagles are fit and well-staffed for the Boxing Day fixture.
However, he added on Cahill: "Gary Cahill is injured unfortunately. He hasn’t recovered form the hamstring injury [collected v Liverpool].
"But apart from that it’s the ones we talk about every week, the long-term injuries. We only have Gary unavailable of the players we thought might be available."
The Eagles travel to Villa Park looking to replicate their Boxing Day success of 2013. Click here for everything you need to know pre-match!