Deco becomes coach Luiz Felipe Scolari first signing since he was appointed manager earlier this month.
He knows Deco well from coaching Portugal.

Chelsea's have also bought Deco's international team-mate Jose Bosingwa but he signed prior to Scolari's appointment.

Deco was actually born in Brazil. He joined Barcelona from Porto in 2004. He won the Uefa Cup, Champions League and domestic league titles with Porto under former Chelsea boss Jose Mourinho.

He won two league championships with Barcelona and picked up another Champions league winners medal beating Arsenal in the final. (Paris 2006).

He only made 14 starts in Barcelona's La Liga campaign. 2007-08. Having a series of injuries.