Striker Leon Best and midfielders Stephen Ireland and Stephen Folan were shown displaying their torsos in images on the Tup Tup Palace Facebook page.
Alan Pardew: 'This is a situation I will have to look at on Monday. Certainly, it is not ideal on the eve of a match, even if you are not playing.'
Ireland has often been involved in controversial situations throughout his career, and the on-loan Aston Villa man has yet to make an appearance for Newcastle