Bremen - FC Bayern München could open up a 14-point lead at the Bundesliga summit with victory away to in-form SV Werder Bremen on Saturday (kick-off 15:30 CET/14:30 GMT).
The defending champions are unbeaten since losing to second-placed VfL Wolfsburg on Matchday 18, but are unlikely to have things entirely their own way at the home of their old rivals from the banks of the Weser.
bundesliga.com previews the north-south action...
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Bremen: Wolf - Gebre Selassie, Prödl, Vestergaard, Garcia - Bargfrede - Fritz, Junuzovic - Öztunali - Bartels, Selke
Bayern: Neuer - Rafinha, Benatia, J. Boateng, Alaba - Lahm, Schweinsteiger - Müller, Götze, Bernat - Lewandowski