Jump to contentAllNewsSportCultureLifestyleRobert Sanchez had another dire outing in the Chelsea goal (Reuters)Chelsea have signed Aston Villa goalkeeper Emiliano Martinez for £7.5 million on a three-year contract. The 33-year-old World Cup winner is set to displace current Chelsea number one Robert Sanchez following criticism of his performances. Martinez described joining Chelsea as an easy decision and expressed his ambition to win titles at Stamford Bridge. The Argentinian spent four years at Villa Park, playing a key role in their rise and last season's Europa League triumph. Aston Villa thanked Martinez for his contributions as he becomes the latest high-profile player to leave the club. In fullChelsea complete surprise signing of Emiliano Martinez as World Cup winner finally gets his moveMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

Plans to keep faith in Robert Sánchez this season hit a very early and entirely predictable hurdle.

The two sides have agreed a fee worth £7.5million for the goalkeeper.