On-loan at Norwich City from Schalke, Kabak won't be staying at Carrow Road after their relegation was confirmed yesterday.
A future with Schalke is also unlikely, with the Germans eager to find a buyer for the Turkey international.
Instead, a return home could be on for Kabak.
Besiktas is showing interest in the defender - and discussions with Schalke are to kickoff shortly, says Fussball Transfers.
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