Players and referees took a knee before PSG's 5-1 win one day after both teams walked off in protest while 13-time champions Real Madrid also advanced.
- by Julien Pretot
Paris Saint-Germain and Basaksehir players walked off in their Champions League game after alleging the fourth official used a racial slur against an assistant coach.
Olivier Giroud scored four goals for Chelsea in their win over Sevilla, becoming the oldest player in the Champions League era to score a hat-trick in the competition.
Real Madrid's Champions League fate is out of their hands after the Spanish powerhouse fell to Ukrainian side Shakhtar Donetsk for the second time this campaign.
Socceroo Awer Mabil has scored his first goal in Europe's top club competition as Midtjylland lost to Ajax while Atalanta's win over Liverpool opened up Group D.
There were big wins for Manchester United and Barcelona on matchday four of the Champions League while Chelsea advanced to the knockout stage.
Ole Gunnar Solskjaer's side have lost their first match of the Champions League after falling behind early while Lionel Messi scored in his 150th appearance.
Liverpool were red-hot in a 5-0 Champions League demolition of Atalanta but Jurgen Klopp's side were outdone on the scoring front by Bayern and Moenchengladbach.
Barcelona won a controversial Champions League blockbuster while it was a big night for Chelsea and Manchester United who bagged nine goals between them.
An injury-time goal from Casemiro followed an 87th-minute strike from Karim Benzema rescued Real Madrid a point from their clash with Borussia Monchengladbach.
- by Karolos Grohmann
A Shakhtar Donetsk side missing 10 players have pulled off one of the great upsets while Socceroos midfielder Awer Mabil had a Champions League baptism of fire.
- by Richard Martin