Mario Balotelli gave Nice an early lead, but it was not enough to prevent Lazio from emerging 3-1 winners at the Stade de Nice on Thursday.
Cologne's seemingly cursed start to the Bundesliga continued when Stuttgart scored in the fourth minute of injury time for a 2-1 win.
Bayern Munich lost a two-goal lead for the second successive week to draw 2-2 at Hertha Berlin's Olympiastadion.
Kevin Volland scored twice as Bayer Leverkusen returned to winning ways with a comfortable 3-0 Bundesliga victory over Hamburg at BayArena.
Borussia Dortmund leapfrogged Bayern Munich back into top spot in the Bundesliga following a 3-0 win at Hamburg.
Borussia Dortmund went to the top of the Bundesliga table as they beat Cologne 5-0 at Signal Iduna Park.
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