Clyne impressed Roy Hodgson and his coaching staff during his spell back in south London whilst looking to maintain his fitness.
The full-back re-signed on the dotted line ahead of Thursday's training session, with plenty of faces returning from their respective international breaks to welcome Clyne officially back into the Eagles' first-team fold.
Click through the gallery above to see how Clyne continues to prepare for, whenever the moment arrives, his 138th Palace appearance.
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