After a week-long break coinciding with Serie A's first midweek round of the season, the Champions League returns for matchday four. Seven matches are scheduled alongside those involving Inter and Roma, with the results already beginning to shape the League Phase standings.
Galatasaray-Stuttgart and Shakhtar-Sporting Lisbon kick things off at 18:45. Atletico Madrid-Bayern Munich, Barcelona-Aston Villa and Villarreal-PSG are among the high-profile clashes to follow.

