Michy Batshuayi snatched a last minute winner, as Chelsea overcame Atletico Madrid 2-1 in the champions league second group match, to retain top spot.
Alvaro Morata restored parity, after Antoine Griezmann's first half penalty had put the hosts ahead.
Meanwhile, Romelu Lukaku grabbed a brace as Manchester United thrashed CSKA Moscow 4-1 for their second straight win. Anthony Martial and Henrikh Mkhitaryan were also on target.
Other matches saw PSG demolish Bayern Munich 3-0, with Dani Alves, Edison Cavani and Neymar on target. Barcelona beat Sporting Lisbon 1-0, while Juventus picked their first points with a 2-0 victory over Olympiakos.
