Match ends, Lille 1, Marseille 0.
Marseille playmaker Mathieu Valbuena will be out for four to six weeks after injuring his shoulder in the 1-0 defeat by second-placed Lille.
The 29-year-old France international was replaced after 70 minutes when he hurt himself falling after a collision with Lille defender Simon Kjaer.
Nolan Roux went on to score an injury-time headed winner for Lille, who are now one point behind Paris St-Germain, who face Evian on Wednesday.
Lille goalkeeper Vincent Enyeama has now kept 11 straight clean sheets in the league.
Elsewhere in Ligue 1, Monaco stayed one point behind Lille with a 3-0 victory at Nice.
James Rodriguez, Emmanuel Rivere and Lucas Ocampos scored the goals for the principality side.
- 20RodelinSubstituted forMartinat 62'minutes
- 26RouxSubstituted forDe Meloat 90+4'minutes
- 8KalouSubstituted forOrigiat 82'minutes
- 9De Melo
- 14ThauvinSubstituted forJ Ayewat 90'minutes
- 28ValbuenaSubstituted forImbulaat 73'minutes
- 17PayetSubstituted forKhalifaat 78'minutes
- 4Michel Mendes
- 11J Ayew
- Laurent Duhamel
- Shots on Target
Second Half ends, Lille 1, Marseille 0.
Substitution, Lille. Túlio De Melo replaces Nolan Roux.
Idrissa Gueye (Lille) wins a free kick in the defensive half.
Foul by Jordan Ayew (Marseille).
Goal! Lille 1, Marseille 0. Nolan Roux (Lille) header from the centre of the box to the bottom left corner. Assisted by Florent Balmont with a cross.
Substitution, Marseille. Jordan Ayew replaces Florian Thauvin.
Attempt missed. André-Pierre Gignac (Marseille) right footed shot from the centre of the box is close, but misses to the right. Assisted by Kassim Abdallah with a cross.
Foul by Rio Mavuba (Lille).
Gianelli Imbula (Marseille) wins a free kick in the attacking half.
Attempt saved. Nolan Roux (Lille) header from the left side of the box is saved in the bottom left corner. Assisted by Rio Mavuba.
Attempt missed. Saber Khalifa (Marseille) header from the centre of the box is close, but misses to the right. Assisted by Benoit Cheyrou with a cross following a set piece situation.
Foul by Djibril Sidibe (Lille).
Saber Khalifa (Marseille) wins a free kick on the left wing.
Corner, Marseille. Conceded by Simon Kjaer.
Substitution, Lille. Divock Origi replaces Salomon Kalou.
Djibril Sidibe (Lille) wins a free kick in the defensive half.
Foul by Saber Khalifa (Marseille).
Foul by Salomon Kalou (Lille).
Souleymane Diawara (Marseille) wins a free kick in the defensive half.