Hamburg - Andrey Voronin scored a hat-trick as Hertha Berlin defeated Energie Cottbus 3-1 away to open up a four-point lead at the top of the German Bundesliga on Saturday.
Champions Bayern Munich came from behind to thrash visiting Hanover 5-1 and are one of four teams level on 42 points, four behind Hertha.
Hoffenheim who fought out a goalless draw with visiting Werder Bremen, are joint second with Bayern, while Wolfsburg are fourth thanks to a 1-0 win over Karlsruhe.