Barcelona have moved up to the top of the Champions League table, following a 4-1 drubbing of Galatasaray on Tuesday night.
The LaLiga giants had to fight from a goal down to take all three points.
Aleksey Batrakov opened the scoring for Galatasaray, before Barca replied with goals from Joao Cancelo, Fermin Lopez, Anthony Gordon and Karim Adeyemi.
Sporting are joint top, thanks to a 2-0 win at Lens in the early kick-off.
Arsenal sit in third place with six points too, after they hammered Lille 3-0 at the Emirates.
Bayern Munich drop down to fourth position, despite their come-from-behind victory over Viking.
More matches will be played across Europe on Wednesday night.
Champions League table: Barcelona, Sporting go top after Tuesday’s matches