Sow "is undergoing tests after getting hurt with Switzerland but surely won't be an option against Fiorentina on Saturday," coach Daniele De Rossi announced.
Analysis:Sow is reportedly dealing with a muscular injury, the extent of which will be known from the test results. He started in every fixture since he joined. Amorim, Hamed Traore and Junior Messias stand to benefit from his absence.
