German national team sporting director Rudi Völler says Antonio Rüdiger needs to show “class” and respect for others after he appeared to throw ice toward the referee during Real Madrid’s Copa del Rey loss to Barcelona.

Real Madrid defender Antonio Rüdiger has apologized for his outburst of rage against the referee at the end of his team’s Copa del Rey final defeat to Barcelona.

The Real Madrid defender issued an apology for his aggressive behavior. He had to be restrained after throwing an object at the ref.