The 22-year-old joined Galatasaray in 2014 from Sporting but spent all the seasons on loan at Real Sociedad and Gaziantepspor.
According to 'Turkish-football.com', he could leave Turkey now. The highly rated star has been linked with two Premier League clubs. Arsenal and Chelsea are keen to sign the 21-year-old.
Galatasaray are demanding €25 million for his depature and his current contract runs until June 2018.