4. Deco
2008-10: 58 appearances, six goals
Brazilian born, but Portuguese by law, the midfield maestro was brought to the club by former Portugal boss Luiz Felipe Scolari shortly after he made the club himself. The former Barcelona man may not have had the impact that many Blues fans had been hoping for during his first term, but he quickly became an integral member of the squad that won the league and cup double a year later.