Chelsea have confirmed the £32.5million capture of Atletico Madrid star Diego Costa after the striker penned a five-year deal, Mirror reports.

The Blues matched the release clause set by the Spanish club earlier this month and have finally unveiled their star signing.

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Costa scored 36 goals for Atletico in all competitions, which played a pivotal role in the club winning La Liga as well as reaching the UEFA Champions League final last season.

And his exploits interested Chelsea manager Jose Mourinho, who was discontent with his striking options at Stamford Bridge.

Costa told Chelsea’s official website: “I am very happy to sign for Chelsea.

“Everybody knows it is a big club in a very competitive league, and I am very excited to get started in England with a fantastic coach and team-mates.

“Having played against Chelsea last season I know the high quality of the squad I am joining.

“I would like to thank everybody at Atletico who made me into the player I am, it was an incredible time for me, but now I am starting a new adventure and I hope to win many trophies with Chelsea.”

Costa joins international team-mate Cesc Fabregas to become Chelsea’s second major summer coup.