Bayern Munich players greet supporters after the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Bayern's head coach Vincent Kompany greets supporters after the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Dortmund's Waldemar Anton, right, challenges for the ball with Bayern's Kingsley Coman during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Dortmund's Waldemar Anton, right, celebrates after scoring his side's second goal during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Dortmund's Waldemar Anton, centre, celebrates after scoring his side's second goal during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Bayern's Serge Gnabry, centre, celebrates after scoring his side's second goal during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Bayern's Thomas Mueller, left, challenges for the ball with Dortmund's Waldemar Anton during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Dortmund's Maximilian Beier, centre, celebrates after scoring his side's opening goal during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Bayern's Harry Kane challenges for the ball with Dortmund's Emre Can, right, during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.

Bayern's Harry Kane, right, heads the ball ahead of Dortmund's Niklas Suele during the German Bundesliga soccer match between Bayern Munich and Borussia Dortmund at the Allianz Arena in Munich, Germany.