“It is not a decision against RB Leipzig, but for my dream to play in the Premier League – the strongest league in the world. It feels like the right step.”
Chelsea director Marina Granovskaia added: “We are very excited that Timo has chosen to join Chelsea. He is a player who was coveted all over Europe and it is no surprise, he has that rare mix of being young and exciting and yet established and proven.”
Chelsea have already signed Ajax winger Hakim Ziyech in a £37m deal which was agreed back in February.
And the club are also in talks to sign Leicester full-back Ben Chilwell in a deal that could be worth another £80m in what would be a summer of extraordinary spending for Frank Lampard and co.
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