Diego Costa is set to undergo his Atletico Madrid medical on Thursday after the Spanish club agreed a fee with Chelsea.
After months and months of speculation, a deal has now been agreed in the region of €60m, according to various reports in Spanish press.
The fee which has been reported is said to include a number extra payments to the English club and would make Costa – Atletico’s biggest ever signing.
The Spanish international has not trained this season so far, choosing to boycott a return to England and remain in Brazil until a deal to return to the Madrid based club was agreed.
Atleti’s current transfer ban will not allow the striker to play until January 2018, but he will be able to train with his new team-mates and be unveiled by the club, before completing the move on January 1st.
It is expected the official presentation will take place at the Wanda Metropolitano before the La Liga fixture with Sevilla on Saturday.
28-year-old Costa enjoyed a fruitful first spell with Atleti during 2012 and 2014, scoring 56 goals in two seasons before moving to Stamford Bridge.
Helping Chelsea in the Premier League last season, the Brazilian-born scored 22 goals last season in appearances.