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.
Stuttgart followed Mainz out of the DFB-Pokal in the first round, succumbing 2-0 to Bochum, while Marco Reus returned in a victory for Borussia Dortmund.
Bundesliga champions Bayern Munich will launch the defence of their title against Wolfsburg in the 2014/15 season.
Cologne midfielder Sascha Riether is at the centre of a tug-of-war between a Premier League club and a Primera Liga team.
Hannover have loaned Austria international Daniel Royer to newly-relegated Cologne for next season.
Bayern Munich have bolstered their attacking options for next season with the signing of teenage winger Mitchell Weiser from relegated Cologne.
Lukas Podolski cannot wait to link up with Arsenal next term and insists he can play anywhere.
Greuther Furth coach Mike Buskens has rejected speculation that he could take charge of Cologne next season.
Germany have named a 27-man preliminary squad for the European Championship, including Arsenal's Per Mertesacker.
The final day of the season saw Cologne slip out of the top flight, Hertha Berlin live to fight another day and Dortmund get their hands on the title.
Robin van Persie is looking forward to playing alongside Lukas Podolski at Arsenal and believes the striker will bring a winning mentality.
Arsenal new boy Lukas Podolski insists he is ready to prove to manager Arsene Wenger that he has made the right choice signing him.
Arsenal have confirmed they have agreed a deal to sign Cologne striker Lukas Podolski this summer for an undisclosed fee.
Relegated Kaisersalutern were hammered by champions Borussia Dortmund, while Hertha Berlin and Cologne also suffered defeat.
Borussia Dortmund retained their Bundesliga crown, after a 2-0 win over Borussia Monchengladbach.