AFP, MADRID: Chelsea and Atletico Madrid announced Thursday that they had reached an initial agreement that would see Diego Costa return to the Spanish club.

“Atletico de Madrid and Chelsea have reached an initial agreement for the transfer of Diego Costa,” the Spanish side said in a statement.

“The agreement is pending the formalisation of the contract between our club and the Spanish international forward.

“The English club has authorised Diego Costa to travel to Madrid in the coming days to undergo medical tests and settle his contract with our club.”

Chelsea said they had “agreed terms with Atletico Madrid for the transfer of Diego Costa”.

“The transfer will be subject to the agreement of personal terms and a medical.”