Paris Saint-Germain beat Evian 1-0 in an ill-tempered affair which saw David Beckham among several players sent off. Elsewhere, Nice came from behind to beat Troyes 3-1 and keep up their hunt for European qualification.
Paris Saint-Germain manager Carlo Ancelotti will be expecting a response from his side when they resume the hunt for the Ligue 1 title this weekend after their "worst match of the season".
Following a 2-2 draw in France, Javier Pastore fired Paris Saint-Germain into the lead in Spain, but a sizzling Pedro strike proved enough to earn Barcelona a 1-1 draw that sent them through on away goals.
Paris Saint-Germain wasted an opportunity to go seven points clear at the top of Ligue 1 as they threw away a two-goal lead, established by Zlatan Ibrahimovic and Javier Pastore, to draw with Saint-Etienne.
Paris Saint-Germain came from behind to beat Nancy 2-1 and go five points clear at the Ligue 1 summit, with Zlatan Ibrahimovic grabbing both their goals.
Paris Saint-Germain defeated Valencia 2-1 in the first leg of their UEFA Champions League encounter but the Ligue 1 leaders won't have Zlatan Ibrahimovic available for the return after his late dismissal.