Borussia Dortmund sporting chief Sebastian Kehl has revealed just how brutal Chelsea were to deal with as he wrapped up a deal to sign Carney Chukwuemeka in a €20 million (£17m/$23m) move. Chukwuemeka, who spent last season on loan at Dortmund, was never likely to feature prominently in Chelsea’s long-term plans. But with the club seeking to keep their financial balance sheets in check, they refused to let him leave on the cheap.

Dortmund snap up Chukwuemeka in €20m swoopKehl slams Chelsea’s ruthless transfer tacticsTrio of late signings spark Bundesliga buzz