Di Maria only arrived at Old Trafford in a £60million move from Real Madrid last summer.
But reports suggest he may have already reached the end of the line in Manchester due to his lacklustre form, which was compounded by his sending off against Arsenal in the FA Cup on Monday.
Yesterday, Spanish sources suggested that Barcelona were ready to offer Pedro in part-exchange for the Argentine ace.
But reports in France this morning claim that PSG aren't out of the race to land the player, after coveting him before he joined United.
Financial Fair Play restrictions scuppered a move to the Parc des Princes at that time but the Ligue 1 outfit believe they may have found a way around that problem.
According to Le10Sport, PSG are aware of United's interest in Blaise Matuidi, Gregory van der Wiel, Adrien Rabiot and Marquinhos.
And it is claimed the Qatari-backed club are ready to offer United their pick of that quartet to land Di Maria, should he come onto the market at season's end.
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