Chelsea complete £7.5m Emiliano Martinez signing: Argentina star handed immediate START as he vows to help the Blues 'win titles' after sealing move from Aston Villa

Chelsea have completed the signing of Argentine goalkeeper Emiliano Martinez from Aston Villa for £7.5 million. Martinez was registered before the deadline and is eligible to play immediately, with the keeper set to start against Brighton. The 32-year-old has vowed to help Chelsea win titles following his move.