Barcelona are planning a £27 million-plus bid for Chelsea defender David Luiz.
The Sun says the Brazilian, signed from Benfica, has indicated he might listen to an offer from Barca, but only if Chelsea give their blessing.
Luiz, 24, has made a big impression in his 12 Premier League outings, scoring twice as he helped the Stamford Bridge club finish runners-up.
Barca boss Pep Guardiola is desperate for a new central defender as 33-year-old skipper Carles Puyol is struggling with a long-term left knee problem.
Guardiola has asked sporting director Andoni Zubizarreta to follow up on a meeting between Barca president Sandro Rosell and Luiz's agent Giuliano Bertolucci in Brazil.
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