Neymar was injured as Paris Saint-Germain were beaten 1-0 at home to Lyon on Sunday as they gave up top spot in Ligue 1.
Former Barcelona forward was taken off on a stretcher in stoppage time after a foul which earned Thiago Mendes a red card.
Toni Kadewere had earlier given Lyon the lead in the 35th minute as Rudi Garcia's men leapfrogged PSG in the table into second place.
Lille, who beat Bordeaux earlier on Saturday, also moved ahead of PSG and now sit top of the French top flight.
Thomas Tuchel's side have already lost four games out of 14 this season and will look to bounce back against Lorient on Wednesday.
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They then travel to new leaders Lille next Sunday in a top-of-the-table clash.