Chelsea defender David Luiz is suggested to have signified his intention to leave Stamford Bridge when the season ends.
French newspaper RMC reported that the Brazil international is interested in joining French giants Paris Saint Germain only days before their first-leg clash on Tuesday.
The Blues' hierarchy has questioned the timing of the 26-year-old's decision to break the news.
Luiz is perceived to replace PSG centre-back and compatriot Alex, should a deal sending him to Parc des Prince push through.
He has a contract with Chelsea until 2017, but manager Jose Mourinho already expressed his plan to overhaul his squad in the next transfer window, which might affect the former Benfica man as he is sparingly used this season.
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