Celtic FC – Bayer Leverkusen
Referee: Marco Di Bello (ITA, photo)
Assistant Referee 1: Alessandro Costanzo (ITA)
Assistant Referee 2: Matteo Passeri (ITA)
Fourth Official: Gianluca Manganiello (ITA)
VAR: Massimiliano Irrati (ITA)
AVAR: Maurizio Mariani (ITA)
Referee Observer: Stephane Lannoy (FRA)
Sparta Praha – Rangers FC
Referee: Ali Palabiyik (TUR)
Assistant Referee 1: Ceyhun Sesigüzel (TUR)
Assistant Referee 2: Serkan Olguncan (TUR)
Fourth Official: Hüseyin Göçek (TUR)
VAR: Abdulkadir Bitigen (TUR)
AVAR: Halis Ozkahya (TUR)
Referee Observer: Georgi Yordanov (BUL)
Olympique Lyonnais – Brondby IF
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Markus Hameter (AUT)
VAR: Harm Osmers (GER)
AVAR: Mete Kalkavan (TUR)
Referee Observer: Michalis Argyrou (CYP)
Sturm Graz – PSV Eindhoven
Referee: Yevhenii Aranovskyi (UKR)
Assistant Referee 1: Semen Shlonchak (UKR)
Assistant Referee 2: Andrii Skrypka (UKR)
Fourth Official: Vitaliy Romanov (UKR)
VAR: Denys Shurman (UKR)
AVAR: Viktor Matyash (UKR)
Referee Observer: Erol Ersoy (TUR)
Real Sociedad – AS Monaco
Referee: Sergei Ivanov (RUS)
Assistant Referee 1: Roman Usachev (RUS)
Assistant Referee 2: Valeriy Danchenko (RUS)
Fourth Official: Kirill Levnikov (RUS)
VAR: Vitali Meshkov (RUS)
AVAR: Alexei Lunev (RUS)
Referee Observer: Dejan Filipović (SRB)
Legia Warszawa – Leicester City
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Goran Pataki (CRO)
Assistant Referee 2: Bojan Zobenica (CRO)
Fourth Official: Duje Strukan (CRO)
VAR: Orel Grinfeeld (ISR)
AVAR: Fran Jović (CRO)
Referee Observer: Konrad Plautz (AUT)
SSC Napoli – Spartak Moskva
Referee: Ivan Kruzliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Jan Pozor (SVK)
Fourth Official: Peter Kralovic (SVK)
VAR: Bastian Dankert (GER)
AVAR: Kevin Blom (NED)
Referee Observer: Levan Paniashvili (GEO)
Fenerbahce SK – Olympiacos FC
Referee: Alejandro Hernandez Hernandez (ESP)
Assistant Referee 1: Jose Naranjo Perez (ESP)
Assistant Referee 2: Teodoro Sobrino Magan (ESP)
Fourth Official: Cesar Soto Grado (ESP)
VAR: Ricardo De Burgos Bengoechea (ESP)
AVAR: Javier Estrada Fernandez (ESP)
Referee Observer: Nicola Rizzoli (ITA)
Royal Antwerp – Eintracht Frankfurt
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Heine Sorensen (DEN)
Fourth Official: Jens Maae (DEN)
VAR: Jochem Kamphuis (NED)
AVAR: Rob Dieperink (NED)
Referee Observer: Ferenc Szekely (HUN)
Olympique de Marseille – Galatasaray
Referee: Pawel Raczkowski (POL)
Assistant Referee 1: Radoslaw Siejka (POL)
Assistant Referee 2: Adam Kupsik (POL)
Fourth Official: Piotr Lasyk (POL)
VAR: Tomasz Kwiatkowski (POL)
AVAR: Krzysztof Jakubik (POL)
Referee Observer: Alexandru Deaconu (ROU)
Lazio – Lokomotiv Moskva
Referee: Craig Pawson (ENG)
Assistant Referee 1: Lee Betts (ENG)
Assistant Referee 2: Ian Hussin (ENG)
Fourth Official: Peter Bankes (ENG)
VAR: Christopher Kavanagh (ENG)
AVAR: Juan Martinez Munuera (ESP)
Referee Observer: Miroslav Tulinger (CZE)
SC Braga – FC Midtjylland
Referee: Stephanie Frappart (FRA)
Assistant Referee 1: Mikael Berchebru (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Johan Hamel (FRA)
VAR: Willy Delajod (FRA)
AVAR: Paolo Valeri (ITA)
Referee Observer: Bernardino Gonzalez Vazquez (ESP)
PFC Ludogorets – Crvena Zvezda
Referee: Jerôme Brisard (FRA)
Assistant Referee 1: Benjamin Pages (FRA)
Assistant Referee 2: Cyril Mugnier (FRA)
Fourth Official: Mikael Lesage (FRA)
VAR: Benoît Millot (FRA)
AVAR: Eric Wattellier (FRA)
Referee Observer: Vlado Svilokos (CRO)
Ferencvarosi TC – Real Betis
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Bitton (ISR)
Assistant Referee 2: Sagy Metzamber (ISR)
Fourth Official: Erez Papir (ISR)
VAR: David Fuxman (ISR)
AVAR: Ziv Adler (ISR)
Referee Observer: Igor Pristovnik (CRO)
KRC Genk – GNK Dinamo
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Petri Viljanen (FIN)
VAR: Dennis Higler (NED)
AVAR: Jeroen Manschot (NED)
Referee Observer: Cyril Zimmermann (SUI)
West Ham United – Rapid Wien
Referee: Tobias Stieler (GER)
Assistant Referee 1: Christian Gittelmann (GER)
Assistant Referee 2: Eduard Beitinger (GER)
Fourth Official: Florian Badstübner (GER)
VAR: Christian Dingert (GER)
AVAR: Pol van Boekel (NED)
Referee Observer: Laurent Duhamel (FRA)
