Bastia's sensational form continued as they came from a goal down to beat Lille 2-1 on Saturday.
Nice had to settle for a 0-0 draw in Ligue 1 despite having a man advantage for more than half the match against Lille.
Lille claimed an overdue Ligue 1 victory by ending Montpellier's four-match unbeaten run with a 2-1 triumph.
Abdoulay Diaby has signed a contract extension with Lille after returning from his loan at Belgian side Mouscron.
Crystal Palace have confirmed the signing of Senegal defender Pape Souare from Lille, subject to a work permit.
Lille avoided a third successive Ligue 1 defeat with a 1-1 draw at Nantes but will feel they should have won.
Live only on