Hoffenheim stay third after their tenth draw in 16 games as it finished 1 - 1 at home to Werder Bremen .
Hoffenheim is the only unbeaten team in Germany ` s top flight .
Hoffenheim , the only unbeaten team in Germany ` s top flight , stay third after their tenth draw in 16 games as it finished 1 - 1 at home to Werder Bremen .