GROUP A: PSG, Real Madrid, Club Brugge, Galatasaray
GROUP B: Bayern Munich, Tottenham, Olympiakos, Red Star Belgrade
GROUP C: Man City, Shakhtar Donetsk, Dinamo Zagreb, Atalanta
GROUP D: Juventus, Atletico Madrid, Bayer Leverkusen, Lokomotiv Moscow
GROUP E: Liverpool, Napoli, FC Salzburg, Genk
GROUP F: Barcelona, Borussia Dortmund, Inter Milan, Slavia Prague
GROUP G: Zenit St Petersburg, Benfica, Lyon, RB Leipzig
GROUP H: Chelsea, Ajax, Valencia, Lille
Fairly balanced this year.
Group H and F look the most tight to me.