Arsenal tied Atalanta, Atletico Madrid completed its comeback with a late winner and 10-man Barcelona lost despite Lamine Yamal's first Champions League goal.

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,

MONACO (AP) — Barcelona’s perfect start to the season ended with a 2-1 loss at Monaco in the revamped Champions League on Thursday, a defeat which happened after defender Eric Garcia was sent off after 11 minutes.