Barcelona are locked in talks with PSG for defender Marquinhos.
BeinSports, which has close ties to PSG's Qatari owners, says a swap deal is being discussed involving Daniel Alves.
PSG shelled out 35 million on Marquinhos and won't want to lose money on the deal, but they are believed to be open to the possibility of letting him go for a sizeable fee plus Alves.
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