AS Monaco – Fenerbahce
Referee: Artur Soares Dias (POR, photo)
Assistant Referee 1: Rui Tavares (POR)
Assistant Referee 2: Bruno Rodrigues (POR)
Fourth Official: Tiago Martins (POR)
Referee Observer: Pierluigi Collina (ITA)
Qarabag FK – Viktoria Plzeň
Referee: Hüseyin Göçek (TUR)
Assistant Referee 1: Mustafa Eyisoy (TUR)
Assistant Referee 2: Kemal Yilmaz (TUR)
Fourth Official: Baris Şimşek (TUR)
Referee Observer: Igor Satkii (MDA)
Apoel FC – Rosenborg BK
Referee: Pawel Raczkowski (POL)
Assistant Referee 1: Michal Obukowicz (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Tomasz Musial (POL)
Referee Observer: Alain Hamer (LUX)
Dinamo Tbilisi – GNK Dinamo
Referee: Miroslav Zelinka (CZE)
Assistant Referee 1: Ondrej Pelikan (CZE)
Assistant Referee 2: Jan Paták (CZE)
Fourth Official: Pavel Julinek (CZE)
Referee Observer: Haim Jakov (ISR)
Crvena Zvezda – Ludogorets Razgrad
Referee: Luca Banti (ITA)
Assistant Referee 1: Lorenzo Manganelli (ITA)
Assistant Referee 2: Andrea Crispo (ITA)
Fourth Official: Gianpaolo Calvarese (ITA)
Referee Observer: Francesco Bianchi (SUI)
Dundalk FC – Bate Borisov
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Henrik Larsen (DEN)
Assistant Referee 2: Heine Sorensen (DEN)
Fourth Official: Jens Maae (DEN)
Referee Observer: Neale Barry (ENG)
Steaua București – Sparta Praha
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Kevin Blom (NED)
Referee Observer: Eugen Strigel (GER)
FC Kobenhavn – Astra Giurgiu
Referee: Liran Liany (ISR)
Assistant Referee 1: David Bitton (ISR)
Assistant Referee 2: Mahmud Mahagna (ISR)
Fourth Official: Eli Hacmon (ISR)
Referee Observer: Vlado Svilokos (CRO)
Hapoel Beer Sheva – Olympiacos FC
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Frédéric Haquette (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Jérôme Miguelgorry (FRA)
Referee Observer: Konrad Plautz (AUT)
Young Boys – Shakhtar Donetsk
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Bertrand Jouannaud (FRA)
Fourth Official: Benoît Millot (FRA)
Referee Observer: Patrick Kelly (IRL)
FC Salzburg – FK Partizani
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Martin Balko (SVK)
Assistant Referee 2: Tomas Somolani (SVK)
Fourth Official: Vladimir Vnuk (SVK)
Referee Observer: Christos Skapoullis (CYP)
PAOK – Ajax
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Lee Betts (ENG)
Fourth Official: Craig Pawson (ENG)
Referee Observer: Matteo Trefoloni (ITA)
Legia Warszawa – AS Trenčín
Referee: Vladislav Bezborodov (RUS)
Assistant Referee 1: Maksim Gavrilin (RUS)
Assistant Referee 2: Andrei Vereteshkin (RUS)
Fourth Official: Kirill Levnikov (RUS)
Referee Observer: Jean Lemmer (LUX)
Celtic – Astana
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Mihai Artene (ROU)
Fourth Official: Cristian Balaj (ROU)
Referee Observer: Leif Sundell (SWE)
RSC Anderlecht – FC Rostov
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Fourth Official: Nejc Kajtazović (SVN)
Referee Observer: Herbert Fandel (GER)
Referee Observer: Neale Barry (ENG)
Steaua București – Sparta Praha
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Kevin Blom (NED)
Referee Observer: Eugen Strigel (GER)
FC Kobenhavn – Astra Giurgiu
Referee: Liran Liany (ISR)
Assistant Referee 1: David Bitton (ISR)
Assistant Referee 2: Mahmud Mahagna (ISR)
Fourth Official: Eli Hacmon (ISR)
Referee Observer: Vlado Svilokos (CRO)
Hapoel Beer Sheva – Olympiacos FC
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Frédéric Haquette (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Jérôme Miguelgorry (FRA)
Referee Observer: Konrad Plautz (AUT)
Young Boys – Shakhtar Donetsk
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Bertrand Jouannaud (FRA)
Fourth Official: Benoît Millot (FRA)
Referee Observer: Patrick Kelly (IRL)
FC Salzburg – FK Partizani
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Martin Balko (SVK)
Assistant Referee 2: Tomas Somolani (SVK)
Fourth Official: Vladimir Vnuk (SVK)
Referee Observer: Christos Skapoullis (CYP)
PAOK – Ajax
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Lee Betts (ENG)
Fourth Official: Craig Pawson (ENG)
Referee Observer: Matteo Trefoloni (ITA)
Legia Warszawa – AS Trenčín
Referee: Vladislav Bezborodov (RUS)
Assistant Referee 1: Maksim Gavrilin (RUS)
Assistant Referee 2: Andrei Vereteshkin (RUS)
Fourth Official: Kirill Levnikov (RUS)
Referee Observer: Jean Lemmer (LUX)
Celtic – Astana
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Mihai Artene (ROU)
Fourth Official: Cristian Balaj (ROU)
Referee Observer: Leif Sundell (SWE)
RSC Anderlecht – FC Rostov
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Fourth Official: Nejc Kajtazović (SVN)
Referee Observer: Herbert Fandel (GER)