AS Roma – CFR Cluj
Referee: Matej Jug (SVN, photo)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Fourth Official: David Šmajc (SVN)
Referee Observer: Jouni Hyytia (FIN)
Rapid Wien – Dundalk FC
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Luke Portelli (MLT)
Assistant Referee 2: Jurgen Spiteri (MLT)
Fourth Official: Fyodor Zammit (MLT)
Referee Observer: Cyril Zimmermann (SUI)
Hapoel Beer Sheva – Bayer Leverkusen
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Fabrizio Pasqua (ITA)
Referee Observer: Boško Jovanetić (SRB)
Slavia Praha – OGC Nice
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Heine Sorensen (DEN)
Assistant Referee 2: Lars Hummelgaard (DEN)
Fourth Official: Jens Maae (DEN)
Referee Observer: Vlado Svilokos (CRO)
Lech Poznan – Standard de Liege
Referee: Manuel Schüttengruber (AUT)
Assistant Referee 1: Roland Brandner (AUT)
Assistant Referee 2: Robert Steinacher (AUT)
Fourth Official: Christopher Jäger (AUT)
Referee Observer: Vadims Direktorenko (LVA)
SL Benfica – Rangers FC
Referee: Jesus Gil Manzano (ESP)
Assistant Referee 1: Diego Barbero Sevilla (ESP)
Assistant Referee 2: Inigo Prieto Lopez (ESP)
Fourth Official: Guillermo Cuadra Fernandez (ESP)
Referee Observer: Bertrand Layec (FRA)
Omonia – Granada
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Goran Pataki (CRO)
Assistant Referee 2: Andreas Heidenreich (AUT)
Fourth Official: Harald Lechner (AUT)
Referee Observer: Neale Barry (ENG)
PAOK FC – PSV Eindhoven
Referee: Daniel Stefanski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Dawid Golis (POL)
Fourth Official: Damian Sylwestrzak (POL)
Referee Observer: Laurent Duhamel (FRA)
Real Sociedad – AZ Alkmaar
Referee: John Beaton (SCO)
Assistant Referee 1: Daniel McFarlane (SCO)
Assistant Referee 2: Alan Mulvanny (SCO)
Fourth Official: Steven McLean (SCO)
Referee Observer: Karel Vidlak (CZE)
HNK Rijeka – SSC Napoli
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Jouni Hyytia (FIN)
Referee Observer: Thomas Einwaller (AUT)
Sivasspor – Qarabag
Referee: Sandro Schärer (SUI)
Assistant Referee 1: Stephane De Almeida (SUI)
Assistant Referee 2: Bekim Zogaj (SUI)
Fourth Official: Iancu Vasilica (POR) Referee Observer: Georgi Yordanov (BUL)
PFC Ludogorets – Tottenham Hotspur
Referee: Fran Jović (CRO)
Assistant Referee 1: Ivica Modrić (CRO)
Assistant Referee 2: Hrvoje Radić (CRO)
Fourth Official: Mario Zebec (CRO)
Referee Observer: Emil Bozhinovski (MKD)
Young Boys – CSKA Sofia
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Thibaud Nijssen (BEL)
Assistant Referee 2: Rien Vanyzere (BEL)
Fourth Official: Bram Van Driessche (BEL)
Referee Observer: Herbert Fandel (GER)
Arsenal – Molde
Referee: Halil Umut Meler (TUR)
Assistant Referee 1: Ibrahim Uyarcan (TUR)
Assistant Referee 2: Martin Margaritov (BUL)
Fourth Official: Bahattin Simsek (TUR)
Referee Observer: David Fernandez Borbalan (ESP)
Leicester City – SC Braga
Referee: Bas Nijhuis (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Rogier Honig (NED)
Fourth Official: Sander van der Eijk (NED)
Referee Observer: Edward Foley (IRL)
Zorya Luhansk – AEK Athens
Referee: William Collum (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Sean Carr (SCO)
Fourth Official: Nicholas Walsh (SCO)
Referee Observer: Antonio Damato (ITA)
Celtic FC – Sparta Praha
Referee: Istvan Kovacs (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Ovidiu Artene (ROU)
Fourth Official: Marius Avram (ROU)
Referee Observer: Shmuel Shteif (ISR)
AC Milan – LOSC Lille
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Jakub Winkler (POL)
Assistant Referee 2: Marek Arys (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Yuri Baskakov (RUS)
Villarreal CF – Maccabi Tel Aviv
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Milovan Djukić (MNE)
Assistant Referee 2: Vladan Todorović (MNE)
Fourth Official: Miloš Bošković (MNE)
Referee Observer: Lutz-Michael Fröhlich (GER)
Royal Antwerp – LASK
Referee: Yevhenii Aranovskiy (UKR)
Assistant Referee 1: Volodymyr Vysotskyi (UKR)
Assistant Referee 2: Viktor Matyash (UKR)
Fourth Official: Vitaliy Romanov (UKR)
Referee Observer: Rusmir Mrković (BIH)
GNK Dinamo – Wolfsberger AC
Referee: Jerôme Brisard (FRA)
Assistant Referee 1: Benjamin Pages (FRA)
Assistant Referee 2: Guillaume Debart (FRA)
Fourth Official: Amaury Delerue (FRA)
Referee Observer: Dejan Filipović (SRB)
Feyenoord – CSKA Moskva
Referee: Roi Reinshreiber (ISR)
Assistant Referee 1: David Biton (ISR)
Assistant Referee 2: Dvir Shimon (ISR)
Fourth Official: Liran Liany (ISR)
Referee Observer: Markus Strömbergsson (SWE)
Crvena Zvezda – KAA Gent
Referee: Michael Fabbri (ITA)
Assistant Referee 1: Giorgio Peretti (ITA)
Assistant Referee 2: Alessandro Costanzo (ITA)
Fourth Official: Rosario Abisso (ITA)
Referee Observer: Volodymyr Petrov (UKR)
TSG Hoffenheim – Slovan Liberec
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Vladimir Moskalev (RUS)
Referee Observer: Erol Ersoy (TUR)