Neil Warnock will have to play a waiting game over the fitness of Palace striker Marouane Chamakh.
The Frenchman limped off the field during the 1-1 Premier League draw with Stoke City on Saturday.
Warnock said: “We were about to bring Marouane off when he pulled his hamstring going for the ball.
“We’re not sure if the spot on the muscle that appeared on the scan is an old one or a new one.
“We need to wait for it to calm down but before we can make a judgment.”
He added: “He struggling at the moment and won’t play this weekend. We’ll have to see after that.”
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