26 September 2017Sevilla FC – NK Maribor
Referee: Jens Maae (DEN, photo)
Assistant Referee 1: Dennis Rasmussen (DEN)
Assistant Referee 2: Victor Skytte (DEN)
Fourth Official: Jorge Figueroa Vázquez (ESP)
Referee Observer: Bernardino González (ESP)
Spartak Moskva – Liverpool
Referee: Donatas Rumšas (LTU)
Assistant Referee 1: Arūnas Šeškus (LTU)
Assistant Referee 2: Gevork Arakelian (LTU)
Fourth Official: Anastasia Pustovoitova (RUS)
Referee Observer: Aleksei Spirin (RUS)
Napoli – Feyenoord
Referee: Anastassios Papapetrou (GRE)
Assistant Referee 1: Ioánnis Sípkas (GRE)
Assistant Referee 2: Vassílios Kamboúris (GRE)
Fourth Official: Federico La Penna (ITA)
Referee Observer: Domenico Messina (ITA)
Manchester City – Shakhtar Donetsk
Referee: Kai Erik Steen (NOR)
Assistant Referee 1: Anders Dale (NOR)
Assistant Referee 2: Isaak Skjeseth (NOR)
Fourth Official: Thomas Nield (ENG)
Referee Observer: Stephen Lodge (ENG)
Beşiktaş JK – RB Leipzig
Referee: Rahim Hasanov (AZE)
Assistant Referee 1: Vaqif Musayev (AZE)
Assistant Referee 2: Akif Amirali (AZE)
Fourth Official: Mert Güzenge (TUR)
Referee Observer: Erol Ersoy (TUR)
AS Monaco – FC Porto
Referee: Alain Durieux (LUX)
Assistant Referee 1: Daniel Da Costa (LUX)
Assistant Referee 2: David Santos (LUX)
Fourth Official: Faouzi Benchabane (FRA)
Referee Observer: Fredy Fautrel (FRA)
Apoel – Tottenham Hotspur
Referee: Stefan Apostolov (BUL)
Assistant Referee 1: Dimitar Rusev (BUL)
Assistant Referee 2: Miroslav Maksimov (BUL)
Fourth Official: Timótheos Christofí (CYP)
Referee Observer: Michális Argyroú (CYP)
Borussia Dortmund – Real Madrid
Referee: Lawrence Visser (BEL)
Assistant Referee 1: Karel De Rocker (BEL)
Assistant Referee 2: Jo De Weirdt (BEL)
Fourth Official: Benedikt Kempkes (GER)
Referee Observer: Eugen Strigel (GER)
27 September 2017
CSKA Moskva – Manchester United
Referee: Juri Frischer (EST)
Assistant Referee 1: Dmitri Vinogradov (EST)
Assistant Referee 2: Aron Härsing (EST)
Fourth Official: Yevgeniy Turbin (RUS)
Referee Observer: Nikolai Ivanov (RUS)
Basel – Benfica
Referee: Edin Jakupović (BIH)
Assistant Referee 1: Sreten Udovičić (BIH)
Assistant Referee 2: Goran Dujak (BIH)
Fourth Official: Lionel Tschudi (SUI)
Referee Observer: Andreas Schluchter (SUI)
Paris Saint Germain – Bayern München
Referee: Tihomir Pejin (CRO)
Assistant Referee 1: Marjan Tomas (CRO)
Assistant Referee 2: Kruno Šarić (CRO)
Fourth Official: Bastien Dechepy (FRA)
Referee Observer: Johan Verbist (BEL)
RSC Anderlecht – Celtic FC
Referee: Kristo Tohver (EST)
Assistant Referee 1: Sten Klaasen (EST)
Assistant Referee 2: Jaan Roos (EST)
Fourth Official: Lothar D'Hondt (BEL)
Referee Observer: Joeri Van De Velde (BEL)
Qarabağ FK – AS Roma
Referee: Horațiu Feșnic (ROU)
Assistant Referee 1: Alexandru Cerei (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: İnqilab Mammadov (AZE)
Referee Observer: Haim Jakov (ISR)
Atlético de Madrid – Chelsea
Referee: Kevin Clancy (SCO)
Assistant Referee 1: Jordan Stokoe (SCO)
Assistant Referee 2: David Doig (SCO)
Fourth Official: Valentín Pizarro Gómez (ESP)
Referee Observer: Manuel López Fernández (ESP)
Juventus – Olympiakós
Referee: Fedayi San (SUI)
Assistant Referee 1: Stéphane De Almeida (SUI)
Assistant Referee 2: Carmine Sangiovanni (SUI)
Fourth Official: Davide Ghersini (ITA)
Referee Observer: Thomas Einwaller (AUT)
Sporting Clube – FC Barcelona
Referee: François Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Rui Rodrigues (POR)
Referee Observer: Antonio Almeida (POR)
