Ferencvarosi TC – Shamrock Rovers
Referee: Glenn Nyberg (SWE, photo)
Assistant Referee 1: Mahbod Beigi (SWE)
Assistant Referee 2: Andreas Söderkvist (SWE)
Fourth Official: Adam Ladebäck (SWE)
Referee Observer: Manuel Diaz Vega (ESP)
FC Zürich – Hearts of Midlothian
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Marcin Boniek (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Frank De Bleeckere (BEL)
Malmö FF – Sivasspor
Referee: William Collum (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Francis Connor (SCO)
Fourth Official: David Dickinson (SCO)
Referee Observer: Kristinn Jakobsson (ISL)
Apollon Limassol – Olympiakos
Referee: Jose Sanchez Martinez (ESP)
Assistant Referee 1: Raul Cabanero Martinez (ESP)
Assistant Referee 2: Inigo Prieto Lopez (ESP)
Fourth Official: Jose Munuera Montero (ESP)
Referee Observer: Andreas Schluchter (SUI)
Pyunik FA – Sheriff Tiraspol
Referee: Alejandro Hernandez Hernandez (ESP)
Assistant Referee 1: Jose Naranjo Perez (ESP)
Assistant Referee 2: Diego Sanchez Rojo (ESP)
Fourth Official: Alejandro Muniz Ruiz (ESP)
Referee Observer: Calum Murray (SCO)
PFK Ludogorets – Zalgiris Vilnius
Referee: Ivan Kružliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Jan Pozor (SVK)
Fourth Official: Peter Kralovič (SVK)
Referee Observer: David Fernandez Borbalan (ESP)
SK Dnipro – AEK Larnaka
Referee: Tobias Stieler (GER)
Assistant Referee 1: Christian Gittelmann (GER)
Assistant Referee 2: Eduard Beitinger (GER)
Fourth Official: Martin Petersen (GER)
Referee Observer: Miroslav Liba (CZE)
HJK Helsinki – Silkeborg IF
Referee: Joao Pinheiro (POR)
Assistant Referee 1: Bruno Jesus (POR)
Assistant Referee 2: Luciano Maia (POR)
Fourth Official: Gustavo Correia (POR)
Referee Observer: Markus Nobs (SUI)
KAA Gent – Omonia Nicosia
Referee: Irfan Peljto (BIH)
Assistant Referee 1: Davor Beljo (BIH)
Assistant Referee 2: Senad Ibrišimbegović (BIH)
Fourth Official: Miloš Gigović (BIH)
Referee Observer: Tomasz Mikulski (POL)
Austria Wien – Fenerbahçe SK
Referee: Daniel Siebert (GER)
Assistant Referee 1: Jan Seidel (GER)
Assistant Referee 2: Rafael Foltyn (GER)
Fourth Official: Daniel Schlager (GER)
Referee Observer: Jon Skjervold (NOR)