Goalkeeper Sven Ulreich of Muenchen wears a shirt with a message reading 'Red against racism #blacklivesmatter' as he warms up before the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)

Serge Gnabry, left, of Munich celebrates his team's third goal with teammate Leon Goretzka during the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)

Robert Lewandowski, center, of Municg scores his team's fourth during the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)

Emre Can of Borussia Dortmund cheers on his goal during the German Bundesliga soccer match between Borussia Dortmund and Hertha BSC Berlin in Dortmund , Germany, Saturday, June 6, 2020. (Lars Baron, Pool via AP)

Robert Lewandowski of Munich celebrates his team's fourth goal during the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)

Leon Goretzka of Munich scores his team's second goal against goalkeeper Lukas Hradecky of Leverkusen during the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)

Players of both teams (Dortmund yellow jersey) kneel around the centre circle as a mark of support for the protests after the recent killing of black American George Floyd by police officers in Minneapolis, USA, before the German Bundesliga soccer match between Borussia Dortmund and Hertha BSC Berlin in Dortmund , Germany, Saturday, June 6, 2020. (Lars Baron, Pool via AP)

Raphael Guerreiro of Borussia Dortmund, left, battles for the ball with Daishawn Redan of Hertha BSC during the German Bundesliga soccer match between Borussia Dortmund and Hertha BSC Berlin in Dortmund , Germany, Saturday, June 6, 2020. (Lars Baron, Pool via AP)

Robert Lewandowski, left, of Munich celebrates his team's fourth goal with teammates Thomas Mueller, center, and Leon Goretzka during the German Bundesliga soccer match between Bayer Leverkusen and Bayern Munich in Leverkusen, Germany, Saturday, June 6, 2020. (Matthias Hangst, Pool via AP)