Diego Costa has finalised the terms of his move back to Atletico Madrid from Chelsea, both clubs have confirmed, with his registration to come into effect on January 1, 2018.
'We thank Diego for his efforts and wish him well in his future career', claimed a statement from the Premier League club.
Diego Costa has today agreed terms for his transfer to Atletico Madrid, which will take effect on 1 January 2018... https://t.co/2FJY5PXiUa
— Chelsea FC (@ChelseaFC) 26 September 2017
Thank you, @diegocosta and best wishes for the future. pic.twitter.com/axFS3sjV5i
— Chelsea FC (@ChelseaFC) 26 September 2017