Henrikh Mkhitaryan and Robert Lewandowksi scored twice each as third-placed Borussia Dortmund thrashed hapless Werder Bremen 5-1.
Hueng-Min Son scored the only goal as Bayer Leverkusen claimed a 1-0 win over Borussia Dortmund.
Borussia Dortmund stopped the rot with a vital 3-1 win at home to Napoli in Group F of the Champions League.
Borussia Dortmund coach Juergen Klopp insisted his off-form team will not be distracted by Napoli.
Borussia Dortmund's European season hangs in the balance.
Mario Gotze returned to haunt his former club Borussia Dortmund as Bayern Munich won 3-0 at the Westfalenstadion.
Borussia Dortmund have signed former Germany defender and free agent Manuel Friedrich in an emergency move.
Second-placed Bayer Leverkusen slumped to a 3-2 defeat at Hanover 96 on Sunday, snapping their four-game winning streak.
Round-up: holders Inter Milan cruised through to the Europa League knockout stages while holders Atletico Madrid's 16-match unbeaten run came to an end.
Two Bayer Leverkusen players will have to auction off Barcelona shirts they got from Lionel Messi in a 3-1 Champions League defeat.
Facts and figures ahead of the weekend's action in the Bundesliga.
Chelsea were consigned to a fourth defeat in a month when they lost 2-1 at Bayer Leverkusen in their Champions League Group E clash.
Embattled Chelsea manager Andre Villas-Boas has called on the club's fans to help stave off a Champions League catastrophe.
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