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.

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.

On the eve of their Club World Cup semi-final showdown with Real Madrid, Borussia Dortmund have confirmed the high-profile sale of English winger Jamie Gittens to Chelsea for €55 million.The