Substitute Nicolas de Preville salvaged a point for Lille in a 1-1 draw with St Etienne at Stade Pierre-Mauroy on Friday.
PSG slumped to their fourth Ligue 1 defeat of the season as they were beaten 2-1 at Guingamp while Bastia continued their resurgence.
Saint-Etienne were forced to suspend ticket sales for their Europa League showdown with Manchester United.
Nice returned to the top of Ligue 1 after comfortably overcoming Toulouse 3-0 at home.
Charlie Nicholas gives his verdict from the Champions League and Europa League draws, labelling Arsenal v Bayern as a "50/50 tie".
Nice remain three points clear at the top of Ligue 1 after winning 1-0 at Saint-Etienne on Sunday, as Marseille beat Caen.