Marseille striker Njie out for 3 weeks with thigh injury
Marseille says Njie underwent medical tests which showed he damaged his right abductor muscle during the 4-2 loss at Lyon.
The 25-year-old Cameroon international came in as a substitute for the last 15 minutes of the game and pulled one back for Marseille before getting injured.
Marseille went through a disappointing spell with back-to-back losses, also losing 2-1 at home against Eintracht Frankfurt in the Europa League. The nine-time French champions are fifth in the league standings, already lagging eight points behind leader Paris Saint-Germain after six matches.