Marcelo Bielsa will manage Lille next season after agreeing a two-year deal at the French club.
Monaco consolidated their position at the top of Ligue 1 with a 2-1 win away at Montpellier, where they finished with 10 men.
Radamel Falcao scored two second-half goals as Monaco moved three points clear in Ligue 1 with a 3-0 victory at home to Nice.
Yassine Benzia scored twice against his old club as Lille ran out 2-1 winners at Lyon in Ligue 1 on Saturday.
Edinson Cavani scored both goals as Paris St-Germain beat Nantes 2-0 on Saturday to move within a point of Ligue 1 leaders Nice.
Substitute Nicolas de Preville salvaged a point for Lille in a 1-1 draw with St Etienne at Stade Pierre-Mauroy on Friday.