Chelsea boss Jose Mourinho was delighted to see Diego Costa on the mark in victory over Leicester City. Costa, signed from Atletico Madrid, opened his account at Burnley, and Mourinho has been impressed by the speed of the Brazil-born forward's transition.

"I got the feeling in pre-season that his adaptation would not be a big deal, he is an easy guy," said Mourinho.

"His style of play has adapted to our needs, so it has not been a problem."

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