The Turkish prodigy has put pen to paper on a deal until
2027 and will sign for the Blaugrana in exchange for two million euros, with
the Catalan club having set his buyout clause at 400 million euros.
Demir made his official debut in the Turkish Super Lig at
the age of 15 and went on to become the youngest scorer in the history of the
competition.
The youngster is an international with Turkey's youth teams
and has stood out for his pace and ability to carry the ball with his left
foot.