Villarreal CF – Olympique de Marseille
Referee: Istvan Kovacs ROU (photo)
Assistant Referee 1: Vasile Marinescu ROU
Assistant Referee 2: Ovidiu Artene ROU
Fourth Official: Andrei Chivulete ROU
VAR: Cătălin Popa ROU
AVAR: Horațiu Feșnic ROU
Referee Observer: Dejan Filipović SRB
Rangers FC – SL Benfica
Referee: Ivan Kružliak SVK
Assistant Referee 1: Branislav Hancko SVK
Assistant Referee 2: Jan Pozor SVK
Fourth Official: Peter Kralovič SVK
VAR: Christian Dingert GER
AVAR: Michal Očenaš SVK
Referee Observer: Stefan Messner AUT
West Ham United – SC Freiburg
Referee: Marco Guida ITA
Assistant Referee 1: Filippo Meli ITA
Assistant Referee 2: Giorgio Peretti ITA
Fourth Official: Daniele Chiffi ITA
VAR: Aleandro Di Paolo ITA
AVAR: Luca Pairetto ITA
Referee Observer: Luis Medina Cantalejo ESP
Slavia Praha – AC Milan
Referee: Glenn Nyberg SWE
Assistant Referee 1: Mahbod Beigi SWE
Assistant Referee 2: Andreas Söderqvist SWE
Fourth Official: Adam Ladebäck SWE
VAR: Dennis Higler NED
AVAR: Pol van Boekel NED
Referee Observer: Frank De Bleeckere BEL
Liverpool FC – Sparta Praha
Referee: Artur Dias POR
Assistant Referee 1: Paulo Soares POR
Assistant Referee 2: Pedro Ribeiro POR
Fourth Official: Gustavo Correia POR
VAR: Tiago Martins POR
AVAR: Hugo Miguel POR
Referee Observer: Drago Kos SVN
Brighton & Hove Albion – AS Roma
Referee: Felix Zwayer GER
Assistant Referee 1: Stefan Lupp GER
Assistant Referee 2: Marco Achmüller GER
Fourth Official: Daniel Schlager GER
VAR: Bastian Dankert GER
AVAR: Sascha Stegemann GER
Referee Observer: Leslie Irvine NIR
Atalanta BC – Sporting CP
Referee: Sandro Schärer SUI
Assistant Referee 1: Bekim Zogaj SUI
Assistant Referee 2: Jonas Erni SUI
Fourth Official: Lukas Fähndrich SUI
VAR: Fedayi San SUI
AVAR: Lionel Tschudi SUI
Referee Observer: Carlos Velasco Carballo ESP
Bayer Leverkusen – Qarabag FK
Referee: Anthony Taylor ENG
Assistant Referee 1: Gary Beswick ENG
Assistant Referee 2: Adam Nunn ENG
Fourth Official: Andrew Madley ENG
VAR: Stuart Attwell ENG
AVAR: Jarred Gillett ENG
Referee Observer: Rune Pedersen NOR
