Diego da Silva Costa (born 7 October 1988) is a Spanish professional footballer who plays for English club Chelsea as a striker. He began his career with Braga in Portugal. He was signed by Atlético Madrid in 2007, who loaned him back to Braga, and then to Celta and Albacete before selling him to Valladolid in 2009. He returned to Atlético the following season and went on to become a key part of their attack, scoring 27 goals as they won the league title in 2014, and then joined Chelsea for £32 million.