Diego Costa is a professional footballer.
Club Atlético de Madrid , SAD ( [ ˈkluβ aðˈletiko ðe maˈðɾið ] ) or simply as Atlético or Atleti , is a Spanish professional football club based in Madrid , that plays in La Liga . Chelsea Football Club ( [ ˈtʃɛlsiː ] ) is an English professional football club based in Fulham , London , that competes in the Premier League , of which they are reigning champions . Diego da Silva Costa ( [ ˈdjeɣo ða ˈsilβa ˈkosta ] , [ ˈdʒjeɡu dɐ ˈsiwvɐ ˈkɔstɐ ] ; born 7 October 1988 ) , is a professional footballer who plays as a striker for English club Chelsea and the Spain national team . The EFL Cup , or simply the League Cup , is an annual knockout football competition in men 's domestic English football .