Blues can confirm that Jordon Mutch has been left of the squad that will travel to C.D. Nacional tomorrow as a precaution, following a training ground injury.
The teenage midfielder went over on his ankle at Wast Hills today (Tuesday) and will remain in the UK to be assessed, having been sent for an X-ray following the innocuous incident.
Chris Hughton will a take a 20-strong party to Madeira, with the striking trio of Cameron Jerome, Marlon King and Nikola Zigic the only other absentees because of their respective injuries.
The full squad is as follows: