Borussia Dortmund's wretched start to the Bundesliga season continued against Hannover, while Roberto Di Matteo lost his first game at Schalke.
Augsburg lifted themselves into mid-table with a 2-0 Bundesliga triumph over winless Freiburg at the Augsburg Arena on Saturday.
Mario Gotze and Philipp Lahm hit braces as Bundesliga leaders Bayern Munich romped to a 6-0 victory over Werder Bremen.
Mainz extended their unbeaten run to a club record eight games with a 2-1 win over Augsburg at the Coface Arena.
Borussia Monchengladbach and Mainz both preserved their unbeaten league records this season as they recorded a 1-1 draw.
Augsburg got back to winning ways by beating Hertha Berlin 1-0, to make it an unhappy SGL Arena return for Jos Luhukay.
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