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.
Marseille, Bordeaux and Nantes all missed out on the chance to move into the top three of Ligue 1 after draws on Sunday.
Nice are appealing to find a fan who was spotted wearing one of their shirts during a Bournemouth match.
Ten-man Marseille moved up to third after a 4-2 win at Nice, as Lyon and Angers drew 3-3 and Troyes beat St Etienne 2-1.
Ligue 1 leaders PSG were reliant on two second-half own goals as they beat Lyon 2-0 on Sunday evening.
Andre Silva scored a hat-trick as AC Milan cruised to an emphatic 5-1 win away to Austria Vienna in Europa League Group D.
Mario Balotelli scored twice as Nice shocked reigning Ligue 1 champions Monaco with a 4-0 win at the Allianz Riviera on Saturday.
Nice president Jean-Pierre Rivere has claimed Barcelona pulled out of a move for Jean Michael Seri at the last minute.
The latest transfer rumours from across Europe, with Juventus reportedly set to approach Andres Iniesta over a move.
Amiens secured their first points of the season as Gael Kakuta's free-kick and a Moussa Konate brace steered them to a 3-0 home victory over Nice.
Arsenal have been drawn with BATE, Cologne and Red Star Belgrade in the Europa League, while Everton face Lyon, Atalanta and Apollon Limassol.
With Arsenal and Everton in the hat, here's what you need to know ahead of Friday's Europa League draw...
Mario Balotelli was roundly criticised by his coach as Nice failed to qualify for the Champions League group stage.
Napoli, Sevilla, Olympiakos and Maribor all won their Champions League play-off ties on Tuesday to join Celtic in the group stages.
Napoli and Sevilla both secured leads in the first legs of their Champions League play-off round ties on Wednesday.
Nice have confirmed the signing of Wesley Sneijder after the Dutch international passed a medical on Monday.
Wesley Sneijder is set to have a medical at French club Nice, Sky Sports News understands.
Neymar stole the show without even playing as Paris Saint-Germain began their Ligue 1 campaign with a 2-0 victory over Amiens.
Four-time European champions Ajax were dumped out in the third qualifying round of the Champions League after a 2-2 draw at home to Nice.
The latest news from the European press, with reports claiming PSG haven't given up on signing Kylian Mbappe this summer.
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