2002 World Cup winner Kaka retires from football
Former AC Milan and Real Madrid midfielder Kaka, who lifted the 2002 World Cup with Brazil, announced his retirement from football on Sunday. Kaka, who won the Champions League and the Ballon d'Or award in 2007 while playing for AC Milan, had become the most expensive footballer in history after his then-world record Â£56 million transfer from Milan to Madrid.