Wolves winger Stephen Hunt is to undergo a hernia operation and will be out of action for several weeks.
Hunt had only returned to action in Monday's reserve clash with Newcastle after two months on the side-lines with a calf setback, but he is still being troubled by a hernia complaint and will go under the knife.
Wolves boss Mick McCarthy said: "Hunty got fit but he couldn't get back to full tilt, strength and energy because he was struggling."
He added: "That was really shown in the reserve game on Monday.
"He's just never got back to full tilt and he has to be at that to play."
McCarthy added: "Hernias are sometimes two or three weeks now but we will see how he goes.
"If he recovers he will be available for the last few games."
Hunt has had a stop-start beginning to his Wolves career after moving from Hull last summer.
He was unable to make his debut until October because of a foot problem.
Striker Steven Fletcher is expected to be fit for Saturday's home clash with Everton after suffering a kick on his calf.
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