Christopher Nkunku is keen to join Chelsea as the Stamford Bridge club line up a deal for the RB Leipzig forward.
Chelsea are attempting to steal a march in the race to sign the prolific and versatile 24-year-old Frenchman.
Sources said the Blues have ‘done everything’ as part of their groundwork on the proposed deal to leave themselves well-placed in the race to land Nkunku, and they will continue their efforts to finalise a transfer.
Nkunku has already had medical checks in Frankfurt during the summer with a Chelsea orthopaedist present.