The Atletico Madrid midfielder joined on loan on transfer deadline day, and Blues have the option to make his move permanent if they wish.
Saul has enjoyed a full week of training and has impressed manager Thomas Tuchel.
Saul will be pushing to start this weekend against Aston Villa, and having enjoyed a rest period over the international break - unlike Jorginho - he could be handed his Blues debut by Tuchel.
The midfielder has quickly settled into life at Cobham.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!