"My future is more there than at Atletico Madrid. This has been my home and I am very grateful," he said.
"Atletico Madrid has been my life, thanks to them I am here, I want to thank them."
Diego Costa also insists he'll continue playing for Spain after the World Cup.
"It is clear. I have a dream to achieve the same success that Spain has achieved in the past."
For the big stories and the banter follow us on Twitter: @tribalfootball