Bayern carve out two-point lead at top with Hertha win
- Robben scores on comeback from injury
- Werder concede two stoppage time goals to lose 2-1
- Schalke slump to fourth straight loss
Bayern are on 12 points with Cologne, in second place on 10 after beating Schalke 04 3-1. Schalke are in 17th place after their fourth loss in four Bundesliga matches, with coach Markus Weinzierl under mounting pressure.
Borussia Dortmund are third on nine after Tuesday's 5-1 demolition of VfL Wolfsburg.
Werder Bremen, who sacked coach Viktor Skripnik on Sunday after three straight losses, conceded two stoppage time goals to lose 2-1 against Mainz 05 on interim coach Alexander Nouri's debut on the bench and remain in last place.
Bayer Leverkusen missed yet another penalty, settling for a goalless draw against Augsburg to drop to 12th place on four points.