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

LONDON — Chelsea is expected to sign English winger Jamie Gittens from Borussia Dortmund, the German club said Thursday. Gittens follows in the footsteps of Jadon Sancho, another former Manchester City youth player who developed his game at Dortmund. Sancho spent last season on loan at Chelsea from Manchester United.