Bitter La Liga rivals Barcelona and Real Madrid are reportedly set for a transfer scrap over Chelsea goalkeeper Thibaut Courtois this summer.
Barca are keeping an eye on the Belgian stopper Madrid are considering making "the most expensive goalkeeper in history."
Marca's Sergi Font has reported how Barca are worried about the future of 23-year-old German Marc-Andre ter Stegen.
During an interview conducted while on international duty, he recently made clear how he desires more game time in Spain's top flight, per Font: "Of course I want to be playing more.