Fulham's plans to unleash Kostas Mitroglou against Cardiff on Saturday have been dealt another blow after he picked up a hamstring injury on international duty.

The £12million January signing from Olympiakos has played just 29 minutes for the Cottagers - as a substitute in the draw at West Brom a fortnight ago - and was dropped for last weekend's west London derby defeat to Chelsea due to doubts over his fitness.

Mitroglou hooked up with Greece this week and played an hour of last night's 2-0 reverse against South Korea, only to suffer a further setback.

Blow: Mitroglou limps off for Greece during last night's friendly with South Korea

Boss Felix Magath said: "He went to the national team and played 60 minutes. He's not fit - he has muscle problems now.

"We need players in our situation who is prepared for a relegation fight. We have to wait and see if he's fit.

"I have to talk to the doctor and will know more tomorrow."

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Brede Hangeland came through Norway's draw with Czech Republic unscathed, but William Kvist is a big doubt for Saturday's showdown with Cardiff.

Magath added: "Almost every player apart from Kvist - he played 90 minutes last night and has hamstring problems - we have to wait on how he feels.

"But the others are fit and well."