BSC Young Boys – FC Salzburg
Referee: Joey Kooij (NED, photo)
Assistant Referee 1: Patrick Inia (NED)
Assistant Referee 2: Dyon Fikkert (NED)
Fourth Official: Luca Piccolo (SUI)
Referee Observer: Peter Sippel (GER)
Hibernian FC – Borussia Dortmund
Referee: Henrik Nalbandyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Khachatur Hovhannisyan (ARM)
Fourth Official: Daniel McFarlane (SCO)
Referee Observer: Calum Murray (SCO)
FK Rukh Lviv – Internazionale Milano
Referee: Elcin Masiyev (AZE)
Assistant Referee 1: Rahman Imami (AZE)
Assistant Referee 2: Vusal Mammadov (AZE)
Fourth Official: Jacek Malyszek (POL)
Referee Observer: Zbigniew Przesmycki (POL)
KRC Genk – Juventus
Referee: Miloš Milanović (SRB)
Assistant Referee 1: Milan Šutulović (SRB)
Assistant Referee 2: Aleksandar Marjanović (SRB)
Fourth Official: Simon Bourdeaud’hui (BEL)
Referee Observer: Rene Temmink (NED)
AZ Alkmaar – Eintracht Frankfurt
Referee: Igor Pajač (CRO)
Assistant Referee 1: Ivan Mihalj (CRO)
Assistant Referee 2: Ivan Starčević (CRO)
Fourth Official: Erwin Blank (NED)
Referee Observer: Guy Goethals (BEL)
Hajduk Split – Shakhtar Donetsk
Referee: Damian Sylwestrzak (POL)
Assistant Referee 1: Adam Karasewicz (POL)
Assistant Referee 2: Bartosz Kaszynski (POL)
Fourth Official: Ante Terzić (CRO)
Referee Observer: Ognjen Valjić (BIH)
MTK Budapest – AFC Ajax
Referee: Joonas Jaanovits (EST)
Assistant Referee 1: Aron Harsing (EST)
Assistant Referee 2: Jaan Roos (EST)
Fourth Official: Bence Csonka (HUN)
Referee Observer: Thomas Einwaller (AUT)
Panathinaikos – FC Porto
Referee: Amine Kourgheli (BLR)
Assistant Referee 1: Juryj Chomcanka (BLR)
Assistant Referee 2: Viktar Hiecikau (BLR)
Fourth Official: Lazaros Rendifis (GRE)
Referee Observer: Michail Argyrou (CYP)