Bayern's Eric Dier, center, celebrates with teammates after scoring his side's third goal during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Eric Dier, left, duels for the ball with Mainz's Jonathan Burkardt, right, during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Michael Olise, left, duels for the ball with Mainz's Nadiem Amiri during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Kingsley Coman, left, duels for the ball with Mainz's Danny da Costa during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Leroy Sane scores the opening goal past Mainz's goalkeeper Robin Zentner, right, during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Harry Kane, center front, kicks the ball during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany

Bayern's Josip Stanisic, left, duels for the ball with Mainz's Danny da Costa, center, during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Mainz's Jonathan Burkardt, center left, duels for the ball with Bayern's Harry Kane during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Michael Olise, left, duels for the ball with Mainz's Nadiem Amiri during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.

Bayern's Harry Kane, center front, argues with Mainz's Paul Nebel during the German Bundesliga soccer match between Bayern Munich and 1. FSV Mainz 05 at the Allianz Arena in Munich, Germany.