Barcelona slump to 54th defeat under Gerardo Martino against 10-man Borussia Dortmund . `` We deserved to be 2-0 ahead at half-time . Borussia Dortmund keep qualification hopes alive with 3 -1 win over Napoli . Arsenal beat Marseille 2-0 at Emirates Stadium . Borussia Dortmund lose 3 -0 to Basel in Basel but still qualify for knockout stages .
Barcelona slump to 54th defeat under Gerardo Martino against 10-man Borussia Dortmund . Borussia Dortmund keep qualification hopes alive with 3 -1 win over Napoli . Arsenal beat Marseille 2-0 at Emirates Stadium . Borussia Dortmund lose 3 -0 to Basel in Basel but still qualify for knockout stages .