Schalke went two consecutive home games without a win to end 2014 on a sorry note with a goalless draw at home to Hamburg.
Bayern Munich continued their unbeaten start to the Bundesliga season with a 2-0 win over Freiburg on Tuesday night.
Stuttgart closed the gap on fellow strugglers Hamburg thanks to a 1-0 win at the HSV Arena on Tuesday night.
Freiburg and Hamburg remain in the midst of a Bundesliga relegation battle after sharing a 0-0 draw.
Hamburg claimed a crucial 2-1 win over Mainz in the Bundesliga on Sunday, while Eintracht Frankfurt beat Werder Bremen
Hamburg moved out of the Bundesliga's bottom three with a comfortable 2-1 win over Mainz
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