Real Madrid – Legia Warszawa
Referee: Petr Ardeleanu (CZE, photo)
Assistant Referee 1: Tomáš Mokrusch (CZE)
Assistant Referee 2: Jakub Hrabovský (CZE)
Fourth Official: Valentín Pizarro Gómez (ESP)
Referee Observer: Manuel López Fernández (ESP)
Bayer Leverkusen – Tottenham Hotspur
Referee: Fran Jović (CRO)
Assistant Referee 1: Ivica Modrić (CRO)
Assistant Referee 2: Hrvoje Radić (CRO)
Fourth Official: Benedikt Kempkes (GER)
Referee Observer: Lutz-Michael Fröhlich (GER)
Sporting CP – Borussia Dortmund
Referee: Alexandre Boucaut (BEL)
Assistant Referee 1: Laurent Conotte (BEL)
Assistant Referee 2: Kristof Meers (BEL)
Fourth Official: Rui Piteira Rodrigues (POR)
Referee Observer: Bernardino González Vázquez (ESP)
Club Brugge – FC Porto
Referee: Dominik Ouschan (AUT)
Assistant Referee 1: Markus Gutschi (AUT)
Assistant Referee 2: Stefan Gamper (AUT)
Fourth Official: Kevin Van Damme (BEL)
Referee Observer: Leslie Irvine (NIR)
CSKA Moskva – AS Monaco
Referee: Zaven Hovhannisyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Vanik Simonyan (ARM)
Referee Observer: Nuno Castro (POR)
Leicester City – FC København
Referee: Bryn Markham-Jones (WAL)
Assistant Referee 1: Ian Bird (WAL)
Assistant Referee 2: Harry Hendricks (WAL)
Fourth Official: Oliver Yates (ENG)
Referee Observer: Patrick Kelly (IRL)
Dinamo Zagreb – Sevilla FC
Referee: Demetrios Masias (CYP)
Assistant Referee 1: Evagoras Evagorou (CYP)
Assistant Referee 2: Kyriacos Sokratous (CYP)
Fourth Official: Željko Frković (CRO)
Referee Observer: Frank De Bleeckere (BEL)
Olympique Lyonnais – Juventus
Referee: Antti Munukka (FIN)
Assistant Referee 1: Jukka Honkanen (FIN)
Assistant Referee 2: Antti Malaska (FIN)
Fourth Official: Wilfried Bien (FRA)
Referee Observer: Fritz Stuchlik (AUT)
Arsenal – Ludogorets
Referee: Anders Poulsen (DEN)
Assistant Referee 1: Ole Kronlykke (DEN)
Assistant Referee 2: Amir Šabić (DEN)
Fourth Official: John Brooks (ENG)
Referee Observer: Brian Lawlor (WAL)
Paris St. Germain – FC Basel
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Nikola Radulović (MNE)
Assistant Referee 2: Aleksandar Đikanović (MNE)
Fourth Official: Romain Lissorgue (FRA)
Referee Observer: Pascal Garibian (FRA)
Dynamo Kyiv – SL Benfica
Referee: Sándor Andó-Szabó (HUN)
Assistant Referee 1: Balázs Szert (HUN)
Assistant Referee 2: Balázs Szalai (HUN)
Fourth Official: Mykola Balakin (UKR)
Referee Observer: Zdravko Jokić (SRB)
Napoli – Beşiktaş
Referee: Edin Jakupović (BIH)
Assistant Referee 1: Sreten Udovičić (BIH)
Assistant Referee 2: Goran Dujak (BIH)
Fourth Official: Daniele Martinelli (ITA)
Referee Observer: Horst Brummeier (AUT)
FC Barcelona – Manchester City
Referee: Sandro Schärer (SUI)
Assistant Referee 1: Johannes Vogel (SUI)
Assistant Referee 2: Bekim Zogaj (SUI)
Fourth Official: David Medié Jiménez (ESP)
Referee Observer: Terje Hauge (NOR)
Celtic – Borussia Mönchengladbach
Referee: Paul McLaughlin (IRL)
Assistant Referee 1: Wayne McDonnell (IRL)
Assistant Referee 2: Mark Gavin (IRL)
Fourth Official: David Munro (SCO)
Referee Observer: Alfredo Trentalange (ITA)
Bayern München – PSV Eindhoven
Referee: Zbynek Proske (CZE)
Assistant Referee 1: Radek Kotík (CZE)
Assistant Referee 2: Petr Blažej (CZE)
Fourth Official: Matthias Jöllenbeck (GER)
Referee Observer: Edgar Steinborn (GER)
FC Rostov – Atlético Madrid
Referee: Srđan Jovanović (SRB)
Assistant Referee 1: Uroš Stojkovic (SRB)
Assistant Referee 2: Milan Mihajlović (SRB)
Fourth Official: Artem Chistyakov (RUS)
Referee Observer: Uno Tutk (EST)
