In the UEFA Champions League, Barcelona suffered a 2-1 defeat to AS Monaco after Eric Garcia received a red card early in the match. Monaco took the lead through Maghnes Akliouche, but Barcelona equalized with a goal from Lamine Yamal before George Ilenikhena scored the winner for Monaco. Meanwhile, Real Madrid staged a dramatic comeback to beat Borussia Dortmund 5-2, reversing a 2-0 deficit with Vinicius Junior scoring a hat-trick. Aston Villa maintained their perfect start with a 2-0 victory over Bologna, while Arsenal defeated Shakhtar Donetsk 1-0 to stay unbeaten. PSG drew 1-1 against PSV Eindhoven, continuing their struggle in the group stage. Juventus lost 1-0 to Stuttgart after a late goal sealed the match for the German side.