Arsenal have effectively confirmed the signing of Marcell Washington from Chelsea, with the player joining pre-season training this week.Photo via Arsenal.comArsenal’s u21 players returned to

Arsenal have completed the £5m signing of goalkeeper Kepa Arrizabalaga from Chelsea. Spain international Kepa joins the Gunners on a three-year deal after spending last term on loan at Bournemouth, where he made 35 appearances in all competitions.

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.