Ligue 1 Wrap: Monaco and Marseille beaten
Newcomers Leandro Jardim and Marcelo Bielsa are both still looking for their maiden Ligue 1 wins after Monaco and Marseille lost on Sunday.
Jardim replaced Claudio Ranieri at Monaco in June after an eye-catching spell in charge of Sporting in Portugal, but his reign at Stade Louis II has got off to an underwhelming start.
Monaco were beaten by 2-1 at home by Lorient in their curtain-raiser last week - and things got even worse at Bordeaux on Sunday.
Despite taking the lead through Dimitar Berbatov just before the break, Jardim's side were beaten 4-1 at Stade Jacques Chaban-Delmas.
Diego Rolan netted twice and a pair of penalties - one each from Emiliano Sala and Wahbi Khazri - consigned last season's Ligue 1 runners-up to a second defeat in a row, and lifted Bordeaux to joint top of the table.
Marseille fared slightly better than Monaco on matchday one - drawing 3-3 at Bastia - but they also slipped to a disappointing loss on Sunday.
Montpellier won 2-0 at the Stade Velodrome thanks to goals in each half from Anthony Mounier and Morgan Sanson - with the home faithful letting their displeasure be known at full-time.
The day's other fixture saw Saint-Etienne come from behind to beat Reims 3-1 at home and join Bordeaux as the only other team with a 100 per cent record in the league this season.
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Lois Perrin's 27th-minute own goal gave the visitors a first-half lead, but the host fought back in the final half hour.
Max Gradel struck with an hour gone to restore parity and Kevin Monnet-Paquet's goal 10 minutes later saw Saint-Etienne edge themselves into the lead.
Mevlut Erding then found the net in the final stages to seal all three points for the hosts.