Atletico Madrid forward Diego Costa believes that Chelsea will adopt a more attacking approach in Wednesday's Champions League semi-final second leg.
The Blues took up a defensive shape in the first leg last week, which ended goalless, but Costa expects a different Chelsea on their own patch.
"The game will be a little bit different to how [Chelsea] set up at the Calderon," the Brazil-born Spain international told the club's official website.
"I believe they will have to come out a bit more. We are going there in our best form, and we believe we have a chance to do something really big."
Costa, meanwhile, has cooled suggestions that he could move to Chelsea this summer.
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