Newcastle defender Jamaal Lascelles is a target for Besiktas.
The Magpies stopper is on the outer at Newcastle and Besiktas can offer him a regular game.
Sky Sports says Besiktas plan to bid for Lascelles this week.
Newcastle are willing to sell, though also will seek to sign a replacement for the defender.
Nice defender Jean-Clair Todibo and Edmond Tapsoba of Bayer Leverkusen are both being considered.