Gabriel Jesus scored and assisted to help Arsenal secure a crucial 2-1 victory over Sevilla in the Champions League at the Ramon Sanchez-Pizjuan Stadium on Tuesday.
Andre Onana and Harry Maguire were the unlikely heroes as Manchester United secured a 1-0 victory over FC Copenhagen in the Champions League at Old Trafford on Tuesday.
Barcelona made it two wins from two in the Champions League after Ferran Torres netted the winning goal in their 1-0 win over FC Porto at Estádio do Dragão.
Julian Alvarez and Jeremy Doku netted late goals as Manchester City secured a well-deserved 3-1 victory over RB Leipzig in the Champions League.
Newcastle United celebrated the return of Champions League football to St. James' Park by defeating Paris Saint-Germain in front of an electric crowd in Tyneside.
Elye Wahi played a starring role in helping French side Lens come from behind to secure a shock 2-1 victory over Arsenal in the Champions League.
Manchester United's struggles in the Champions League continued after they suffered a 3-2 defeat to Galatasaray at Old Trafford on Tuesday evening.
Jude Bellingham scored an injury-time winner as Real Madrid defeated Champions League debutants Union Berlin 1-0 at the Santiago Bernabeu on Wednesday.
Arsenal marked their return to the Champions League in style following their 4-0 hammering of PSV Eindhoven at the Emirates Stadium on Wednesday evening.
Harry Kane scored from the penalty spot as Bayern Munich commended Manchester United to a 4-3 home win in the Champions League on Wednesday.