Feyenoord Rotterdam – AS Roma
Referee: Radu Petrescu ROU (photo)
Assistant Referee 1: Radu Ghinguleac ROU
Assistant Referee 2: Mircea Grigoriu ROU
Fourth Official: Marcel Bîrsan ROU
VAR: Cătălin Popa ROU
AVAR: Ovidiu Hațegan ROU
Referee Observer: Viktor Kassai HUN
Galatasaray – Sparta Praha
Referee: Alejandro Hernandez Hernandez ESP
Assistant Referee 1: Jose Naranjo Perez ESP
Assistant Referee 2: Diego Sanchez Rojo ESP
Fourth Official: Alejandro Muniz Ruiz ESP
VAR: Carlos Del Cerro Grande ESP
AVAR: Ricardo De Burgos Bengoetxea ESP
Referee Observer: Andreas Schluchter SUI
Shakhtar Donetsk – Olympique de Marseille
Referee: Erik Lambrechts BEL
Assistant Referee 1: Jo De Weirdt BEL
Assistant Referee 2: Kevin Monteny BEL
Fourth Official: Nathan Verboomen BEL
VAR: Dennis Johan Higler NED
AVAR: Jan Boterberg BEL
Referee Observer: Matteo Trefoloni ITA
BSC Young Boys – Sporting CP
Referee: Benoît Bastien FRA
Assistant Referee 1: Hicham Zakrani FRA
Assistant Referee 2: Aurelien Berthomieu FRA
Fourth Official: Jeremie Pignard FRA
VAR: Benoît Millot FRA
AVAR: Eric Wattellier FRA
Referee Observer: Kenneth Clark SCO
SL Benfica – Toulouse FC
Referee: Donatas Rumšas LTU
Assistant Referee 1: Aleksandr Radiuš LTU
Assistant Referee 2: Dovydas Sužiedelis LTU
Fourth Official: Robertas Valikonis LTU
VAR: Pol van Boekel NED
AVAR: Jeroen Manschot NED
Referee Observer: Michael Ross NIR
AC Milan – Stade Rennais
Referee: Nikola Dabanović MNE
Assistant Referee 1: Vladan Todorović MNE
Assistant Referee 2: Srdjan Jovanović MNE
Fourth Official: Miloš Bošković MNE
VAR: Nejc Kajtazovič SVN
AVAR: Alen Borošak SVN
Referee Observer: Lutz-Michael Fröhlich GER
RC Lens – SC Freiburg
Referee: Bartosz Frankowski POL
Assistant Referee 1: Marcin Boniek POL
Assistant Referee 2: Jakub Winkler POL
Fourth Official: Damian Kos POL
VAR: Tomasz Kwiatkowski POL
AVAR: Piotr Lasyk POL
Referee Observer: Stefan Johannesson SWE
SC Braga – Qarabag FK
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Mikkel Redder DEN
VAR: Rob Dieperink NED
AVAR: Jonas Hansen DEN
Referee Observer: Thomas Einwaller AUT
