Qarabag FK – SC Braga
Referee: Georgi Kabakov BUL (photo)
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Diyan Valkov BUL
Fourth Official: Nikola Popov BUL
VAR: Ivaylo Stoyanov BUL
AVAR: Dragomir Draganov BUL
Referee Observer: Petteri Kari FIN
SC Freiburg – RC Lens
Referee: Rade Obrenovič SVN
Assistant Referee 1: Jure Praprotnik SVN
Assistant Referee 2: Grega Kordež SVN
Fourth Official: David Šmajc SVN
VAR: Nejc Kajtazović SVN
AVAR: Asmir Sagrković SVN
Referee Observer: Martin Hansson SWE
Stade Rennais – AC Milan
Referee: Joao Pinheiro POR
Assistant Referee 1: Bruno Jesus POR
Assistant Referee 2: Luciano Maia POR
Fourth Official: Joao Ferreira POR
Video Assistant Referee: Tiago Martins POR
Assistant Video Assistant Referee: Helder Malheiro POR
Referee Observer: David Malcom NIR
Toulouse FC – SL Benfica
Referee: Maurizio Mariani ITA
Assistant Referee 1: Daniele Bindoni ITA
Assistant Referee 2: Alberto Tegoni ITA
Fourth Official: Marco Di Bello ITA
VAR: Aleandro Di Paolo ITA
AVAR: Daniele Doveri ITA
Referee Observer: Jorn-West Larsen DEN
Sporting CP – BSC Young Boys
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: Pascal Müller GER
Referee Observer: Carlos Clos Gomez ESP
Olympique de Marseille – Shakhtar Donetsk
Referee: Tobias Stieler GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Mark Borsch GER
Fourth Official: Martin Petersen GER
VAR: Marco Fritz GER
AVAR: Benjamin Brand GER
Referee Observer: Nuno Castro POR
Sparta Praha – Galatasaray
Referee: Anthony Taylor ENG
Assistant Referee 1: Gary Beswick ENG
Assistant Referee 2: Adam Nunn ENG
Fourth Official: John Brooks ENG
VAR: Stuart Attwell ENG
AVAR: David Coote ENG
Referee Observer: Helmut Fleischer GER
AS Roma – Feyenoord Rotterdam
Referee: Jesus Gil Manzano ESP
Assistant Referee 1: Diego Barbero Sevilla ESP
Assistant Referee 2: Angel Nevado Rodriguez ESP
Fourth Official: Juan Martinez Munuera ESP
VAR: Alejandro Hernandez Hernandez ESP
AVAR: Guillermo Cuadra Fernandez ESP
Referee Observer: Cyril Zimmermann SUI
