Dortmund improved considerably as a collective following the appointment of Niko Kovač, who adopted a system that reduced the need for a touchline winger of Gittens’ ilk. Width was instead supplied from wing-backs, while speedster Karim Adeyemi performed a more prominent role in Kovač’s attack.

Borussia Dortmund have confirmed that a deal has been agreed with Chelsea for the transfer of Jamie Gittens.The 20-year-old will become the Blues’ fifth signing of the summer, after Joao Pedro’s

Chelsea is to sign English winger Jamie Gittens from Borussia Dortmund. That's according to the German club which said that “all parties involved agreed in principle” in Florida and that contract details were being finalized.