Began his career with the Liberty Professionals FC in Ghana. His first big break came while playing in the 1999 FIFA U-17 World Championship in New Zealand, which helped him gain attention from European scouts. Named French Player of the Year in 2005. In 2006, he was awarded the BBC African Footballer of the Year. Nominated for the FIFA World Player of the Year Award, the Ballon d'Or Award and the African Footballer of the Year all in 2007. Won both the Premier League and the FA Cup with Chelsea in 2009-10.