
Taiwo Taye Ismaila of Olympique Marseille (Photo: Reuters)
The Nigeria defender scored Marseille's winner in Saturday's match.
After the game, Taiwo took a microphone and joined fans in an expletive-laced chant aimed at archrival PSG.
The French league says it will submit Taiwo's case to the football federation's National Ethics Council.
Taiwo has been a key element in Didier Deschamps' team this season and a ban would hamper the club's chances of repeating the domestic double it achieved last season when it won the league title and the League Cup.
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