The fourth matchday of the 2023-24 Champions League group stage began with defeat for Newcastle away at Borussia Dortmund.
Group F was branded the group of death after the draw and it has lived up to its billing, with Paris Saint-Germain losing away to AC Milan as well on Tuesday. It is one of the tightest groups in the competition and more drama can be expected with some big-name ties ahead.
Manchester City eased past Young Boys of Switzerland to maintain their perfect record as holders and seal a last-16 spot with two games to spare, while Celtic were hit for six by Atletico Madrid.
Wednesday saw Arsenal ease to a routine win over Sevilla to put one foot into the knockout stages while Manchester United travelled to Denmark and lost a chaotic game 4-3 to FC Copenhagen.
With Bayern Munich beating Galatasaray thanks to another Harry Kane goal, United are now bottom of Group A ahead of their trip to the Turkish giants.