Bayern Munich striker Thomas Muller was shocked by his yellow card received during victory over Atletico Madrid last night.
The Champions League title holders were comfortable 4-0 winners on the night.
But Muller was unimpressed with a booking he copped in a clash with Kieran Tripper.
And in reaction, the striker could be heard at the empty Allianz Arena complaining: "What's going on here?
"We play against Atlético de Madrid, the biggest bullies in European football and you give me yellow for this...?"