Wolfsburg bounced back from their humbling at the hands of Everton on Thursday by beating 10-man Bayer Leverkusen.
Cologne and Borussia Monchengladbach played out a goalless draw in the Rhine area derby.
Newly-promoted pair Paderborn and Cologne extended their unbeaten starts to the campaign with a goalless draw on Saturday.
Cologne picked up their first win of the season at Stuttgart whose fans made their dissatisfaction clear to coach Armin Veh.
Bayer Leverkusen claimed a shock 2-0 Bundesliga win at Borussia Dortmund on Saturday, while Hannover beat Schalke.
A crowd of 50,000 watched Cologne play out a goalless draw with Hamburg on their return to the top flight.
Live only on