AEK Athens – Zorya Luhansk
Referee: Aliyar Aghayev (AZE, photo)
Assistant Referee 1: Zeynal Zeynalov (AZE)
Assistant Referee 2: Akif Amirali (AZE)
Fourth Official: Orkhan Mammadov (AZE)
Referee Observer: Luc Wouters (BEL)
CSKA Sofia – Young Boys
Referee: Fabio Verissimo (POR)
Assistant Referee 1: Rui Teixeira (POR)
Assistant Referee 2: Pedro Ribeiro (POR)
Fourth Official: Antonio Nobre (POR)
Referee Observer: Frank De Bleeckere (BEL)
Molde – Arsenal
Referee: Irfan Peljto (BIH)
Assistant Referee 1: Senad Ibrisimbegović (BIH)
Assistant Referee 2: Davor Beljo (BIH)
Fourth Official: Admir Šehović (BIH)
Referee Observer: Haim Jakov (ISR)
SC Braga – Leicester City
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Alessandro Giallatini (ITA)
Assistant Referee 2: Fabiano Preti (ITA)
Fourth Official: Daniele Doveri (ITA)
Referee Observer: Nikolai Ivanov (RUS)
Sparta Praha – Celtic FC
Referee: Tobias Stieler (GER)
Assistant Referee 1: Mike Pickel (GER)
Assistant Referee 2: Dominik Schaal (GER)
Fourth Official: Florian Badstübner (GER)
Referee Observer: Vadims Direktorenko (LVA)
LOSC Lille – AC Milan
Referee: Craig Pawson (ENG)
Assistant Referee 1: Ian Hussin (ENG)
Assistant Referee 2: Harry Lennard (ENG)
Fourth Official: Darren England (ENG)
Referee Observer: Bernardino Gonzalez Vazquez (ESP)
Maccabi Tel Aviv – Villarreal CF
Referee: Tiago Martins (POR)
Assistant Referee 1: Pedro Almeida (POR)
Assistant Referee 2: Hugo Ribeiro (POR)
Fourth Official: Helder Malheiro (POR)
Referee Observer: Stephane Lannoy (FRA)
Qarabag – Sivasspor
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Heine Sorensen (DEN)
Assistant Referee 2: Lars Hummelgaard (DEN)
Fourth Official: Jens Maae (DEN)
Referee Observer: Aleh Chykun (BLR)
LASK – Royal Antwerp
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Aleksandr Radius (LTU)
Assistant Referee 2: Dovydas Sužiedėlis (LTU)
Fourth Official: Manfredas Lukjancukas (LTU)
Referee Observer: Draženko Kovačić (CRO)
Wolfsberger AC – GNK Dinamo
Referee: Serhiy Boiko (UKR)
Assistant Referee 1: Semen Shlonchak (UKR)
Assistant Referee 2: Viktor Matyash (UKR)
Fourth Official: Denys Shurman (UKR)
Referee Observer: Marco Borg (MLT)
CSKA Moskva – Feyenoord
Referee: Kristo Tohver (EST)
Assistant Referee 1: Silver Koiv (EST)
Assistant Referee 2: Sten Klaasen (EST)
Fourth Official: Juri Frischer (EST)
Referee Observer: Erol Ersoy (TUR)
Slovan Liberec – TSG Hoffenheim
Referee: Jérôme Brisard (FRA)
Assistant Referee 1: Benjamin Pages (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Amaury Delerue (FRA)
Referee Observer: Stefano Podeschi (SMR)
KAA Gent – Crvena Zvezda
Referee: Filip Glova (SVK)
Assistant Referee 1: Peter Bednar (SVK)
Assistant Referee 2: František Ferenc (SVK)
Fourth Official: Michal Ocenaš (SVK)
Referee Observer: Sascha Amhof (SUI)
CFR Cluj – AS Roma
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Julian Weinberger (AUT)
Referee Observer: Ferenc Szekely (HUN)
Dundalk FC – Rapid Wien
Referee: Tamas Bognar (HUN)
Assistant Referee 1: Balazs Buzas (HUN)
Assistant Referee 2: Balazs Szert (HUN)
Fourth Official: Gergo Bogar (HUN)
Referee Observer: Jon Skjervold (NOR)
Bayer Leverkusen – Hapoel Beer Sheva
Referee: Pawel Gil (POL)
Assistant Referee 1: Konrad Sapela (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Fourth Official: Piotr Lasyk (POL)
Referee Observer: Kenneth Clark (SCO)
OGC Nice – Slavia Praha
Referee: Glenn Nyberg (SWE)
Assistant Referee 1: Mikael Hallin (SWE)
Assistant Referee 2: Andreas Söderqvist (SWE)
Fourth Official: Mohammed Al-Hakim (SWE)
Referee Observer: Ray Ellingham (WAL)
Standard de Liege – Lech Poznan
Referee: Petr Ardeleanu (CZE)
Assistant Referee 1: Jiří Molaček (CZE)
Assistant Referee 2: Petr Caletka (CZE)
Fourth Official: Karel Hrubes (CZE)
Referee Observer: Andreas Schluchter (SUI)
Rangers FC – SL Benfica
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Birsan (ROU)
Referee Observer: Peter Sippel (GER)
PSV Eindhoven – PAOK FC
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonnikovs (LVA)
Fourth Official: Aleksandrs Golubevs (LVA)
Referee Observer: Volodymyr Petrov (UKR)
Granada CF – Omonia FC
Referee: Stephanie Frappart (FRA)
Assistant Referee 1: Hicham Zakrani (FRA)
Assistant Referee 2: Mikael Berchebru (FRA)
Fourth Official: Johan Hamel (FRA)
Referee Observer: Martin Hansson (SWE)
AZ Alkmaar – Real Sociedad de Futbol
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Dejan Kostadinov (MKD)
Assistant Referee 2: Goce Petreski (MKD)
Fourth Official: Konstantin Vlaho (MKD)
Referee Observer: Vlado Svilokos (CRO)
SSC Napoli – HNK Rijeka
Referee: Halis Özkahya (TUR)
Assistant Referee 1: Kemal Yilmaz (TUR)
Assistant Referee 2: Çem Satman (TUR)
Fourth Official: Alper Ulusoy (TUR)
Referee Observer: Iain Robertson (SCO)
Tottenham Hotspur – PFC Ludogorets
Referee: Giorgi Kruashvili (GEO)
Assistant Referee 1: Levan Varamishvili (GEO)
Assistant Referee 2: Zaza Pipia (GEO)
Fourth Official: Georgi Vadachkoria (GEO)
Referee Observer: Fredy Fautrel (FRA)
