The team have been in action on the Beckenham pitches as they build-up to meeting the Villans, and have been joined by a now-fit Martin Kelly.
After a spell on the sidelines through injury, Roy Hodgson today confirmed Kelly would replace Gary Cahill in the Eagles' matchday squad at the weekend.
You can see the lads in action in the gallery above!
READ NEXT: Hodgson issues prediction for Palace's Villa clash