have signed Kepa Arrizabalaga from Athletic Bilbao for £71m - the highest fee ever paid for a goalkeeper, and a club record transfer .
He has signed a seven-year contract at the club and replaces Thibaut Courtois, who is set to join Real Madrid.
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He has spent the past two seasons in Athletic's first team, making 53 La Liga appearances, and has one international cap.
The fee Chelsea
Watch Kepa's best saves below;