Bayern Munich goalkeeper Sven Ulreich could face a punishment from the German Football Association after being caught on camera calling Bayer Leverkusen director Simon Rolfes a 'w*****' during Saturday's 1-1 draw in the Bundesliga.
A video of Ulreich, taken by a fan at the Allianz Arena, has gone viral via social media.
It shows Ulreich, who was an unused substitute on Saturday, shouting at Rolfes from the Bayern bench.
This outburst sparked laughter and applause from some of the Bayern fans sat behind the dugout. However, it could have consequences.
Bayern Munich goalkeeper Sven Ulreich, 36, pictured shouting at Simon Rolfes (not in shot)
Ulreich, pictured warming-up at the Allianz Arena, was an unused substitute on Saturday
Rolfes told BILD after the game: 'I neither heard nor noticed it. Everyone is responsible for the level of their words.'
There could now be repercussions for Ulreich if he is charged by the DFB.
If charged, it is likely that Ulreich would be ordered to pay a fine.
A similar incident in 2015 resulted in Kevin De Bruyne being fined €20,000 after the Belgian - who was playing for Wolfsburg at the time - shouted at a teenage ball boy: 'Give me the ball, you motherf*****!'
Saturday's draw with Leverkusen - which witnessed goals from Robert Andrich and Aleksandar Pavlovic - was Bayern's seventh fixture of the season.
Vincent Kompany had won their first six games of the campaign.
Ulreich featured in two of those victories - a 9-2 win over Dinamo Zagreb in the Champions League and a 5-0 triumph away at Werder Bremen in the Bundesliga.