Fulham boss Martin Jol is preparing for this summer as a number of contracts are coming to an end. Giorgos Karagounis, Mahamadou Diarra, Chris Baird and Simon Davies have yet to extend their contracts past the end of the season.
And on-loan Urby Emanuelson, Emmanuel Frimpong, Stanislav Manolev and Eyong Enoh also see their stays expire in the summer, although the Cottagers have an option to make the latter duo's moves permanent.
Jol said: "If you look at the defence, I think we are fine.
"If you look at the midfield, I think Steve Sidwell is probably the only one left if you think of all the players we had six or seven months ago. We have to do something.
"Up front, Mladen Petric we will talk to him as he is on a one-year deal (which expires).
"Sascha Riether we have an option in his loan (to make it permanent) and we will probably take that.
"For the rest, I don't see any problem but in midfield we can do something because there is only one or two left."
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