The Spanish club Atletico Madrid who are at present facing a transfer ban from buying players till the/1/1/2018. But now Atletico Madrid are keen to buy their former player Diego Costa from else. Now Chelsea have told Diego Costa that he does not figure in plans for the new season, so Diego Costa returned to Brazil, as he is a Brazilian born but plays for Spain . Now Diego Costa has gone on strike and has no desire to return to Chelsea, even though he still has two years left on is contract. Bu now Atletico Madrid have told Diego Costa to go and make peace with Chelsea and get into good shape so that they can buy him in January.. During this transfer window Atletico Madrid offered 40, forty million pounds but Chelsea wanted 50,fifty million pounds.