LOSC Lille – Aston Villa
Referee: Ivan Kružliak SVK (photo)
Assistant Referee 1: Branislav Hancko SVK
Assistant Referee 2: Jan Pozor SVK
Fourth Official: Peter Kralovič SVK
VAR: Pol van Boekel NED
AVAR: Michal Očenaš SVK
Referee Observer: Lutz-Michael Fröhlich GER
ACF Fiorentina – Viktoria Plzen
Referee: Jesus Gil Manzano ESP
Assistant Referee 1: Diego Barbero Sevilla ESP
Assistant Referee 2: Angel Nevado Rodriguez ESP
Fourth Official: Jose Munuera Montero ESP
VAR: Alejandro Hernandez Hernandez ESP
AVAR: Guillermo Cuadra Fernandez ESP
Referee Observer: Emil Božinovski MKD
PAOK – Club Brugge
Referee: Davide Massa ITA
Assistant Referee 1: Filippo Meli ITA
Assistant Referee 2: Stefano Alassio ITA
Fourth Official: Marco Di Bello ITA
VAR: Aleandro Di Paolo ITA
AVAR: Luca Pairetto ITA
Referee Observer: Martin Hansson SWE
Fenerbahçe – Olympiakos
Referee: Tobias Stieler GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Mark Borsch GER
Fourth Official: Daniel Schlager GER
VAR: Christian Dingert GER
AVAR: Sascha Stegemann GER
Referee Observer: Juan Fernandez Marin ESP
