Stoke have disciplined forward Jese Rodriguez after he left the bench early during last weekend's victory over Swansea.
It is understood the on-loan Paris St Germain man walked down the tunnel and left the stadium after Mark Hughes made his second and third substitutions in the 70th minute.
Jese lost his place in the side after the defeat against Bournemouth in October and has made just two short substitute appearances since.
Hughes said: 'He made a mistake.