Kepa Arrizabalaga has sealed his surprise transfer from Chelsea to Arsenal, becoming the latest footballer to play for London ’s two biggest clubs. Still the most expensive goalkeeper of all-time, the Gunners have signed Kepa for just £5million after spending the last two seasons away from Stamford Bridge on loan.

Arrizabalaga departs Stamford Bridge seven years after signing from Athletic Club in a deal worth £71.6m ($96.9m).

Arsenal have signed Spaniard Kepa Arrizabalaga from Chelsea, the Premier League side said on Tuesday, with media reporting that the club triggered a five million pounds ($6.86 million) release clause to buy the world's most expensive goalkeeper.