🟡⚫️🩺 Medical tests completed for Ian Maatsen at Borussia Dortmund.
— Fabrizio Romano (@FabrizioRomano) January 10, 2024
Contracts signed on loan move until June.
Chelsea will also extend his deal until 2027 with release clause included, exclusive story confirmed.
BVB will have priority to sign Maatsen in June. pic.twitter.com/tRiefpfUnj