A 6-2 drubbing by FC Salzburg against Racing Genk was the biggest margin of victory as the Champions League kicked off across Europe on Tuesday.
Most eyes were on Germany watching Borussia Dortmund host Barcelona with the return of Lionel Messi to competitive football in the Group F opener. The match ended in a goalless draw although Dortmund hit the woodwork and had a penalty saved.
Two other games saw draws with Internazionale sharing points with Slavia Prague in a game that ended one goal a piece. Lyon at home to Zenit St Petersburg could only must a 1-1 draw.
Napoli beat Liverpool 2-nil at home while Ajax scored three times against Lille who could not find the back of the net.
RB Leipzig got the better of Benfica with 2 away goals to 1.
Chelsea went down 0-1 to Valencia with Christian Pulisic on the bench and Ross Barkley hitting the bar from the penalty spot.