Chelsea are competing with Manchester United for Barcelona midfielder Thiago Alcantara.
El Mundo Deportivo says Chelsea owner Roman Abramovich wants secure his signature, with the player's release clause around 22million (£18.8m).
Thiago struck a hat-trick for Spain U21 in last night's Euros final victory over Italy.
The midfielder wants out of Barca and is also a top target for United boss David Moyes.