Stoke are assessing the fitness of captain Abdoulaye Faye after the defender limped out of a pre-season friendly on Tuesday night.
The Senegal international suffered an apparent hamstring injury in the early stages of the Potters' 2-1 victory at Bristol Rovers.
It is the latest concern for manager Tony Pulis ahead of the Barclays Premier League opener against Wolves on August 14.
Glenn Whelan is facing a race against time to prove his fitness for the trip to Molineux while Rory Delap and Matthew Etherington also missed Tuesday night's match.
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