Neymar has not been named in Paris Saint-Germain's squad to face Nurnberg in a friendly in Germany on Saturday.
In a statement published to the club's website, PSG listed "training" as the reason for the star's absence from the 23-man group.
Brazil forward Neymar commenced pre-season work with the Ligue 1 champions earlier this week amid intense transfer speculation.
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The 27-year-old was not involved in PSG's midweek win over Dynamo Dresden and has not featured at any level since sustaining ankle-ligament damage while on international duty against Qatar last month.