Eintracht Frankfurt sports director Fredi Bobic admitted star winger Filip Kostic could leave the Bundesliga side.
Kostic has previously been linked to Antonio Conte's Inter, while there is reported interest in the Serbia international from the Premier League.
The 27-year-old enjoyed another fine campaign, scoring four goals and tallying 11 assists, having contributed 10 goals and 13 assists across all competitions last season.
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Bobic was asked about the future of Kostic and he said: "Filip is happy here. He feels very comfortable with us, but it may also be that we are ready to release him.