Champions League review: PSG take a hit, Man City’s empty seats and teenage hope for Liverpool

Paris Saint-Germain defeated Barcelona 4-2 but suffered a major blow as Khvicha Kvaratskhelia sustained an injury expected to sideline him for six months. Meanwhile, Manchester City beat AEK Athens 5-1 behind a Phil Foden hat-trick despite drawing criticism for visible empty seats. Elsewhere, 18-year-old Rio Ngumoha impressed by providing two assists during Liverpool's 4-3 victory over Villarreal.

Italian club Como highlighted the round by beating Michael Carrick's Manchester United 4-1, with Nico Paz scoring twice for Cesc Fàbregas's side. In other notable action, Arsenal drew 2-2 with Bayern Munich after Declan Rice's late equalizer, and Napoli overcame Bodø/Glimt 4-3 with two goals from Scott McTominay.