Diego Costa could complete his much anticipated transfer to Chelsea this week, reports the Daily Mirror.
The Brazilian-born striker, who will travel with the Spanish national squad to his homeland to compete in the World Cup, has returned to training following Atletico Madrid's Champions League final defeat.
With Costa back from a short holiday, Chelsea will look to complete a medical this week while he trains with Spain ahead of the World Cup, which begins on 12th June.
Costa has suitably recovered from the hamstring injury that forced him off in the opening exchanges against Real Madrid, which will allow him to undergo the rigorous tests posed by Chelsea's medical staff.
Terms have already been agreed on a long-term contract, believed to be worth up to £50m for the player. Chelsea have also agreed to pay Atletico Madrid £35m taking the potential value of the transfer up to £85m.
Costa, whose 27 goals helped Atletico to a famous La Liga title win, represents the first major signing for Jose Mourinho with more expected to join across the summer transfer window.
Having already sold David Luiz to Chelsea for a reported £50m, Mourinho wants to sign at least one more world-class striker. Having already released Samuel Eto'o and with Demba Ba and Fernando Torres both linked with exits, Chelsea's forward line could look completely different come September.
Mourinho could also be back in touch with Atletico very soon as it was reported that the Special One was also looking to bring playmaker Koke to Stamford Bridge.
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