Marc-André ter Stegen, one of the most reliable goalkeepers in LaLiga, faces a constant challenge in the Champions League.

The first week of the new-look Champions League came to an end on Thursday, with Barcelona and Arsenal both in action.

AS Monaco beat Barcelona in their opening match of the Champions League campaign, with goals from Maghnes Akliouche (16′) and substitute George Ilenikhena (71′), either side of a strike by Lamine Yamal (28′),

Barcelona's perfect start to the season hit its first stumbling block when defender Eric Garcia was sent off after just 11 minutes at Monaco in the revamped Champions League on Thursday. Garcia pulled back Takumi Minamino when the Japan forward intercepted a panicky pass out from Barcelona goalkeeper Marc-André ter Stegen.

In stark contrast to the team’s flying start to La Liga, Barcelona’s first UEFA Champions League clash of the year offered a serious reality check and was anything but simple.Hansi Flick and Co.

Barcelona had a dreadful start at the Stade Louis II stadium when Garcia was shown a straight red card 11 minutes in for a foul on Monaco's Takumi Minamino, who was clear in front of goal after a misplaced pass from goalkeeper Marc-Andre ter Stegen.

Barcelona's perfect start to the season hit its first stumbling block when defender Eric Garcia was sent off after just 11 minutes at Monaco in the revamped Champions League on Thursday. Garcia pulled back Takumi Minamino when the Japan forward intercepted a panicky pass out from Barcelona goalkeeper Marc-André ter Stegen.

Barcelona's Germany goalkeeper Marc-Andre ter Stegen held his hands up after a poor pass led to Eric Garcia being sent off early in their 2-1 defeat at Monaco in their Champions League opener on Thursday.

Eric Garcia was shown a straight red card for Barcelona at Monaco in the Champions League after an error from Marc-Andre ter Stegen.