"He's getting better but it's too soon. It's best if he rests. I think he'll be good next week," the Basque told reporters of Uruguay striker Cavani, who is suffering from a thigh injury.
Emery, who replaced Laurent Blanc during the close season, added that Brazilian centre back Silva has a hip problem and is also sidelined.
PSG travel to Bastia on Friday while Monaco take on Guingamp at Louis II.
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The other games will be played on Saturday and Sunday.
(Reporting by Julien Pretot; Editing by Ed Osmond)
