"I of course want to thank RB Leipzig, the club and the fans, for four fantastic years. You will forever be in my heart. I look forward to next season with my new team-mates, my new manager and of course the Chelsea fans. Together we have a very successful future ahead of us."
Sporting director Marina Granovskaia also said of the signing: : “We are very excited that Timo Werner 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”
“We can’t wait to have Timo on board, but until then we wish him and RB Leipzig all the best for the rest of this season.”