Juan Mata has an agreement in place with Paris Saint-Germain over a potential January move, reports Le10sport.
The Spanish playmaker's future at Chelsea has been under increasing doubt as Jose Mourinho continues to champion Oscar in the number 10 position at Stamford Bridge.
Mata, who has been named Chelsea's player of the season in the last two campaigns with the club, is now becoming concerned that his place in Spain's World Cup squad could be in doubt if he continues to be left on the Blues bench.
He is now facing up to the realisation that he may have to leave Stamford Bridge in order to secure his place in Brazil next summer.
The French daily is reporting that PSG were close to reaching an agreement with Chelsea for the transfer of Mata in the summer and an agreement with the player remains in place should the deal come back to life in the next transfer window.
PSG's agreement with the player makes them frontrunners for his signature should he leave west London, but both Juventus and Atletico Madrid are retaining an interest as well.
However, it is believed that despite his sparing use of Mata, Mourinho is still reluctant to part ways with the 25-year-old and will not let him go without a fight.
Mata has so far started just five Premier League games this season and has found himself playing for a weakened second-string team in the Capital One Cup.
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