Chelsea’s Diego Costa could end up playing for Chinese Super League if Atletico Madrid do not take him back to Spain. Atletico  Madrid who have shown interesting in re-signing him cannot afford to pay the amount Chelsea would demand to let him go . The striker is reportedly fed up with London and could criticisms over his on-field actions. If the deal scales through, the Blues’ top scorer will reportedly have double of his £185,000-a-week salary in Asia.