Cologne's seemingly cursed start to the Bundesliga continued when Stuttgart scored in the fourth minute of injury time for a 2-1 win.
Borussia Dortmund continued their impressive start to the season as they secured a fourth straight win, seeing off Augsburg 2-1.
Borussia Dortmund powered two points clear at the top of the Bundesliga with a thumping 6-1 win over Borussia Monchengladbach.
James Rodriguez impressed on his first start for Bayern Munich as the Bundesliga champions went top with victory at Schalke.
Naby Keita was sent off in Leipzig's 2-2 draw with Monchengladbach while Robert Lewandowski scored two for Bayern Munich against Mainz.
Schalke moved up to fifth in the Bundesliga with a 3-1 defeat of Stuttgart on Sunday.
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