There are 19 non-Super League clubs who have played in a Champions League quarter-final more recently than Arsenal:
Shakhtar
Schalke
APOEL
Benfica
Bayern
Malaga
Dortmund
Galatasaray
PSG
Monaco
Porto
Wolfsburg
Leicester
Roma
Sevilla
Ajax
Lyon
Leipzig
Atalanta

— Jordan Blackwell (@JrdnBlackwell) April 19, 2021