Congrats on winning the group, Arsenal! Also, I don't know why UEFA insists on calling PSG "Paris."
Group runners-up are listed first, winners second
Man. City (ENG) v Monaco (FRA)
Real Madrid (ESP) v Napoli (ITA)
Benfica (POR) v Dortmund (GER)
Bayern (GER) v Arsenal (ENG)
Porto (POR) v Juventus (ITA)
Leverkusen (GER) v Atlético (ESP)
Paris (FRA) v Barcelona (ESP)
Sevilla (ESP) v Leicester (ENG)
First legs
14 February
Benfica v Borussia Dortmund
Paris v Barcelona
15 February
Real Madrid v Napoli
Bayern v Arsenal
21 February
Manchester City v Monaco
Bayer Leverkusen v Atlético Madrid
22 February
Porto v Juventus
Sevilla v Leicester
Second legs
7 March
Napoli v Real Madrid
Arsenal v Bayern
8 March
Borussia Dortmund v Benfica
Barcelona v Paris
14 March
Juventus v Porto
Leicester v Sevilla
15 March
Monaco v Manchester City
Atlético Madrid v Bayer Leverkusen
Group runners-up are listed first, winners second
Man. City (ENG) v Monaco (FRA)
Real Madrid (ESP) v Napoli (ITA)
Benfica (POR) v Dortmund (GER)
Bayern (GER) v Arsenal (ENG)
Porto (POR) v Juventus (ITA)
Leverkusen (GER) v Atlético (ESP)
Paris (FRA) v Barcelona (ESP)
Sevilla (ESP) v Leicester (ENG)
First legs
14 February
Benfica v Borussia Dortmund
Paris v Barcelona
15 February
Real Madrid v Napoli
Bayern v Arsenal
21 February
Manchester City v Monaco
Bayer Leverkusen v Atlético Madrid
22 February
Porto v Juventus
Sevilla v Leicester
Second legs
7 March
Napoli v Real Madrid
Arsenal v Bayern
8 March
Borussia Dortmund v Benfica
Barcelona v Paris
14 March
Juventus v Porto
Leicester v Sevilla
15 March
Monaco v Manchester City
Atlético Madrid v Bayer Leverkusen