Mapou Yanga-Mbiwa and John Utaka scored within five minutes of each other to put the visitors into a two-goal lead inside 20 minutes.

Joris Marveaux was dismissed after 64 minutes to give Caen hope but instead they fell further behind when Younes Belhanda struck.

Benjamin Nivet scored a consolation penalty before the game's second red card was shown to Pierre-Alain Frau to even up the numbers.

At the other end of the table, Daniel Niculae's second-half header earned Nancy their first victory of the season at the expense of Nice.

The Romania forward, on a year-long loan from Monaco, netted the game's only goal nine minutes after the interval to lift Jean Fernandez's side off the bottom of the table.

Andre Ayew scored twice but missed a penalty as Marseille recorded a 2-0 win over AC Ajaccio - just their second league win of a difficult campaign.

The Ghana forward was twice denied by keeper Guillermo Ochoa after Johan Cavalli's handball gave OM a 20th-minute spot-kick.

But he made amends on the half-hour after being set up by brother Jordan, and added a second shortly after half-time to make the game safe.

Laurent Batlles struck as St Etienne edged past Valenciennes 1-0.

Batlles, who opened his account for the season in last weekend's 2-1 win at Evian, netted in the 50th minute to earn St Etienne their fourth win of the campaign.

Eden Ben Basat's second-half equaliser earned Brest a 1-1 draw at Bordeaux.

Yoan Gouffran opened the scoring for Les Girondins seven minutes into the second half but they were pegged back 11 minutes later as Israeli striker Ben Basat restored parity.

In the day's remaining match, Toulouse drew 0-0 at Lorient despite the second-half sending-off of Pavle Ninkov.