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'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.

Harry Kane's four goals are the highlight of the first matchday, while Celtic and Borussia Dortmund join Bayern Munich in getting off to flying starts.

Lionel Messi’s transfer to Inter Miami has put a safety seal around Cristiano Ronaldo’s record for most goals in UEFA Champions League history, a record that feels unlikely to fall any time soon. Erling Haaland, however, is one of a few players asking your permission to be considered a contender for the crown.

In the Champions League against Monaco, we're getting a taste of that. Playing in midfield, Eric Garcia was sent off with a straight red card only 10 minutes into the match for denial of a goalscoring opportunity against Takumi Minamino.

Teenager Lamine Yamal's goal couldn't prevent 10-man Barcelona from falling to a 2-1 defeat at Monaco on Thursday in the Champions League — ending the Spanish club's perfect start to the season. Meanwhile,

Lamine Yamal simply cannot be stopped at the moment as he brought Barcelona level with Monaco thanks to his first Champions League goal.