Borussia Dortmund have signed England youth international Carney Chukwuemeka from Chelsea on a five-year contract.
The 21-year-old spent the second half of last season on loan at the German club and joins in a deal that could be worth about £24m.
The attacking midfielder made 32 appearances for Chelsea after a £20m move from Aston Villa in 2022.
Blues defender Aaron Anselmino has also agreed to join Dortmund, on a season-long loan, and has flown to Germany to complete the deal.
The Chukwuemeka transfer means Chelsea’s income from player sales this summer is more than £270m, almost balancing out the £277m spent on incoming transfers.