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 made a disappointing start to their Champions League campaign by losing 2-1 to AS Monaco on Thursday after suffering an early blow from defender Eric Garcia's dismissal. 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,

Barcelona coach Hansi Flick said he is not worried about his side’s performance despite the 2-1 defeat to Monaco in its Champions League opener on Thursday.

Monaco have had a solid start to the Ligue 1 season thanks to strong play from their defense but they haven't faced a team who can attack like Barcelona so this will be a good test to see how far they can go. Here's our storylines, how you can watch the match and more:

Barcelona coach Hansi Flick said he is not worried about his side's performance despite the 2-1 defeat to Monaco in their Champions League opener on Thursday.

Monaco’s Maghnes Akliouche, third left, celebrates after scoring his side’s opening goal during the Champions League opening phase soccer match between Monaco and Barcelona at the Louis II stadium, in Monaco,

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.

Barcelona made a disappointing start to their Champions League campaign by losing 2-1 to AS Monaco on Thursday after suffering an early blow from defender Eric Garcia's dismissal.