(CNN) -- Seven-time reigning champions Lyon went back to the top of the French first division with a 2-0 home win over Sochaux on Sunday.
Lyon players celebrate Mounier's clinching second goal against Sochaux.
Marseille had knocked them off the summit with a 2-0 win over Nantes on Saturday, but goals from Brazilian striker Ederson and Anthony Mounier at Stade Gerland did the trick.
Ederson scored the opener in the 13th minute with midfielder Mounier sealing the three points in the 71st to end an indifferent run.
Marselle are a point behind, with last year's runners-up Bordeaux also in the title chase, a further point adrift after a 3-0 win at Le Havre.
Fourth-placed Paris Saint-Germain can also keep in the hunt by beating Toulouse later on Sunday which would put them level with on points with Marseille.
The Bundesliga title race is also close with SV Hamburg cementing their fourth-place with a 2-1 home win over Schalke on Sunday.
They trail leaders Hertha Berlin by a single point only behind defending champions Bayern Munich and VfL Wolfsburg goal difference.
Jose Paolo Guerrero scored two goals in five minutes for Martin Jol's men in the second half before Jefferson Farfan pulled one back for Schalke in the 80th minute.
Celtic stayed on course for a fourth consecutive Scottish title by salvaging a 2-2 draw at Dundee United on Sunday.
Lee Naylor's late equalizer sees them three points clear of perennial rivals Rangers, who were held 2-2 by Hearts on Saturday.
Australian international striker Scott McDonald gave Celtic a first-half lead but United's Spanish star Francisco Sandaza scored twice just after halftime to put Celtic under pressure and they were thankful for a draw.
Olympiakos clinched the championship in Greece for the fifth time in a row and 12th time in the last 13 seasons with a 3-2 win over Panionios on Sunday.
On-loan Blackburn striker Matt Derbyshire, Brazil's Dudu and Predrag Djordjevic scored for Olympiakos.