Overview
- UEFA debuts an 18-team league phase with six games per club; the top four advance to the quarterfinals and places five to twelve enter playoffs.
- Real Madrid will host Wolfsburg as well as Paris FC and Roma, travel to Arsenal and PSG, and close the slate away at Twente.
- Barcelona visit Chelsea, Roma and Leuven, and host Bayern, Benfica and Twente.
- Atlético return after five years, drawing home ties with Bayern, Juventus and Manchester United and trips to Lyon, St. Pölten and Twente.
- The league phase runs 7–8 October through 17 December on six matchdays, and the season will conclude in Oslo.