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.

Antonio Rüdiger has apologised for his sending off in Real Madrid's 3-2 Copa del Rey final defeat to Barcelona on Saturday.

Real Madrid's Antonio Rudiger, left, challenges for the ball with Barcelona's Ferran Torres during the Spanish Copa del Rey final soccer match between Barcelona and Real Madrid at Estadio de La ...