Thomas Tuchel was angered by a French journalist who wore a Strasbourg shirt following Paris Saint-Germain's draw against Thierry Laurey's side on Sunday.
PSG battled to a 2-2 stalement against Strasbourg on Sunday , with goals from Nuna da Costa and Anthony Goncalves cancelling out Eric Maxim Choupo-Moting and Thilo Kehrer's efforts.
French journalist Laurent Paganelli wore Strasbourg goalkeeper Dimitri Lienard's shirt in the aftermath of the heated draw which postponed PSG's title.
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Tuchel revealed his anger at Paganelli after the game, stating: "You're a journalist but you wear the shirt?