Real Sociedad de Futbol – Manchester United
Referee: Sandro Schärer (SUI, photo)
Assistant Referee 1: Stephane de Almeida (SUI)
Assistant Referee 2: Bekim Zogaj (SUI)
Fourth Official: Alain Bieri (SUI)
VAR: Paolo Valeri (ITA)
AVAR: Fedayi San (SUI)
Referee Observer: Roberto Rosetti (ITA)
Olympiacos FC – PSV Eindhoven
Referee: Andreas Ekberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Stefan Hallberg (SWE)
Fourth Official: Glenn Nyberg (SWE)
VAR: Christian Dingert (GER)
AVAR: Harm Osmers (GER)
Referee Observer: Vladimir Sajn (SVN)
BSC Young Boys – Bayer Leverkusen
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Roberto Diaz Perez (ESP)
Fourth Official: Hugo Miguel (POR)
VAR: Jesus Gil Manzano (ESP)
AVAR: Luis Godinho (POR)
Referee Observer: Vlado Svilokos (CRO)
FC Krasnodar – GNK Dinamo
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Krzysztof Jakubik (POL)
VAR: Pawel Gil (POL)
AVAR: Tomasz Kwiatkowski (POL)
Referee Observer: Karen Nalbandyan (ARM)
SC Braga – AS Roma
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Ovidiu Artene (ROU)
Fourth Official: Ovidiu Haţegan (ROU)
VAR: Juan Martínez Munuera (ESP)
AVAR: Guillermo Cuadra Fernandez (ESP)
Referee Observer: Markus Nobs (SUI)
Slavia Praha – Leicester City
Referee: Marco Guida (ITA)
Assistant Referee 1: Ciro Carbone (ITA)
Assistant Referee 2: Giorgio Peretti (ITA)
Fourth Official: Fabio Maresca (ITA)
VAR: Marco Di Bello (ITA)
AVAR: Maurizio Mariani (ITA)
Referee Observer: Vladimir Medved (SVK)
Crvena Zvezda – AC Milan
Referee: Anastasios Sidiropoulos (GRE)
Assistant Referee 1: Polychronis Kostaras (GRE)
Assistant Referee 2: Lazaros Dimitriadis (GRE)
Fourth Official: Ioannis Papadopoulos (GRE)
VAR: Bastian Dankert (GER)
AVAR: Bibiana Steinhaus (GER)
Referee Observer: Thomas Einwaller (AUT)
Dynamo Kyiv – Club Brugge
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Daniele Doveri (ITA)
VAR: Stuart Attwell (ENG)
AVAR: Paul Tierney (ENG)
Referee Observer: Igor Satkii (MDA)
Wolfsberger AC – Tottenham Hotspur
Referee: Ali Palabiyik (TUR)
Assistant Referee 1: Ceyhun Sesigüzel (TUR)
Assistant Referee 2: Serkan Olguncan (TUR)
Fourth Official: Alper Ulusoy (TUR)
VAR: Abdulkadir Bitigen (TUR)
AVAR: Mete Kalkavan (TUR)
Referee Observer: David Fernandez Borbalan (ESP)
LOSC Lille – AFC Ajax
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Tomaš Somolani (SVK)
Assistant Referee 2: Branislav Hancko (SVK)
Fourth Official: Filip Glova (SVK)
VAR: Marco Fritz (GER)
AVAR: Tobias Stieler (GER)
Referee Observer: Stefano Podeschi (SMR)
Maccabi Tel Aviv – Shakhtar Donetsk
Referee: François Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Karim Abed (FRA)
VAR: Clement Turpin (FRA)
AVAR: Jerôme Brisard (FRA)
Referee Observer: Alexandru Deaconu (ROU)
Granada CF – SSC Napoli
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Vladimir Moskalev (RUS)
VAR: Vitali Meshkov (RUS)
AVAR: Sergei Ivanov (RUS)
Referee Observer: Miroslav Tulinger (CZE)
Molde FK – TSG Hoffenheim
Referee: Stephanie Frappart (FRA)
Assistant Referee 1: Benjamin Pages (FRA)
Assistant Referee 2: Mikael Berchebru (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Benoît Millot (FRA)
AVAR: Willy Delajod (FRA )
Referee Observer: Manuel Lopez Fernandez (ESP)
FC Salzburg – Villarreal CF
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonnikovs (LVA)
Fourth Official: Aleksei Kulbakov (BLR)
VAR: Pol van Boekel (NED)
AVAR: Dennis Higler (NED)
Referee Observer: Bertrand Layec (FRA)
Royal Antwerp – Rangers FC
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Diyan Valkov (BUL)
Fourth Official: Ivan Bebek (CRO)
VAR: Felix Zwayer (GER)
AVAR: Mark Borsch (GER)
Referee Observer: Jon Skjervold (NOR)
SL Benfica – Arsenal FC
Referee: Cüneyt Çakir (TUR)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarik Ongun (TUR)
Fourth Official: Halis Özkahya (TUR)
VAR: Massimiliano Irrati (ITA)
AVAR: Michael Fabbri (ITA)
Referee Observer: Elmir Pilav (BIH)
