PSV Eindhoven – Maccabi Tel Aviv
Referee: Glenn Nyberg (SWE, photo)
Assistant Referee 1: Mahbod Beigi (SWE)
Assistant Referee 2: Andreas Söderqvist (SWE)
Fourth Official: Adam Ladebäck (SWE)
Referee Observer: Levan Paniashvili (GEO)
FC Midtjylland – PAOK FC
Referee: Craig Pawson (ENG)
Assistant Referee 1: Lee Betts (ENG)
Assistant Referee 2: Ian Hussin (ENG)
Fourth Official: Robert Jones (ENG)
Referee Observer: Sokol Jareci (ALB)
Rapid Wien – Vitesse
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Aleksandr Radius (LTU)
Assistant Referee 2: Dovydas Sužiedėlis (LTU)
Fourth Official: Robertas Valikonis (LTU)
Referee Observer: Terje Hauge (NOR)
Fenerbahce SK – Slavia Praha
Referee: Maurizio Mariani (ITA)
Assistant Referee 1: Daniele Bindoni (ITA)
Assistant Referee 2: Alberto Tegoni (ITA)
Fourth Official: Matteo Marchetti (ITA)
Referee Observer: David Fernandez Borbalan (ESP)
Olympique de Marseille – Qarabag FK
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Milovan Djukić (MNE)
Assistant Referee 2: Vladan Todorović (MNE)
Fourth Official: Miloš Bošković (MNE)
Referee Observer: Haim Jakov (ISR)
Celtic FC – Bodo Glimt
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonnikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Frank De Bleeckere (BEL)
Sparta Praha – FK Partizan
Referee: Andreas Ekberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Fredrik Klyver (SWE)
Fourth Official: Mohammed Al-Hakim (SWE)
Referee Observer: Stefan Messner (AUT)
Leicester City – Randers FC
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: Marcel Birsan (ROU)
Referee Observer: Domenico Messina (ITA)