Chelsea are set to be extremely busy behind the scenes when the summer transfer window reopens on Monday with the Blues looking to strengthen Enzo Maresca's squad

Borussia Dortmund sporting director Sebastian Kehl has said the club "looked very seriously" at an offer from Chelsea for winger Jamie Gittens.

Borussia Dortmund sporting director Sebastian Kehl has left the door open for Chelsea with regards to a future deal for Jamie Gittens. Chelsea were in talks to sign Gittens in time to be registered in their squad for the Club World Cup tournament which gets underway in the USA this weekend.

Chelsea are continuing to pursue a deal for Jamie Gittens despite Borussia Dortmund holding out for a fee in the region of £40 million ($54.3m), sources have told ESPN.

Chelsea remain in talks over signing Borussia Dortmund winger Jamie Gittens after having £42m bid rejected on Deadline Day; Sky in Germany say Dortmund want nearly £55m [€65m] for Gittens; Blues have