Borussia Dortmund's wretched start to the Bundesliga season continued against Hannover, while Roberto Di Matteo lost his first game at Schalke.
Hoffenheim extended their unbeaten start to the Bundesliga season thanks to a 1-0 win over Paderborn.
Hoffenheim extended their unbeaten start to the season to seven games by picking up a point in a 1-1 draw at Hamburg.
Hamburg picked up their first Bundesliga win to pile misery on Borussia Dortmund, while Bayern Munich thrashed Hannover.
Hoffenheim moved up to second in the Bundesliga on Saturday with a 2-1 win over Schalke.
Mainz and Hoffenheim remained unbeaten after six games of the Bundesliga season after sharing a goalless draw.
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