UEFA Champions League – Group Stage (Matchday 4)

1 November 2016
Manchester City – FC Barcelona
Referee: Viktor Kassai (HUN, photo)
Assistant Referee 1: György Ring (HUN)
Assistant Referee 2: Vencel Tóth (HUN)
Additional AR 1: Tamás Bognar (HUN)
Additional AR 2: Ádám Farkas (HUN)
Fourth Official: Peter Berettyán (HUN)
Referee Observer: Michel Vautrot (FRA)

Ludogorets – Arsenal
Referee: Bas Nijhuis (NED)
Assistant Referee 1: Rob van de Ven (NED)
Assistant Referee 2: Charles Schaap (NED)
Additional AR 1: Serdar Gözübüyük (NED)
Additional AR 2: Ed Janssen (NED)
Fourth Official: Patrick Langkamp (NED)
Referee Observer: Murat Ilgaz (TUR)

FC Basel – Paris St. Germain
Referee: Ovidiu Hategan (ROU)
Assistant Referee 1: Octavian Sovre (ROU)
Assistant Referee 2: Sebastian Gheorghe (ROU)
Additional AR 1: Radu Petrescu (ROU)
Additional AR 2: Sebastian Coltescu (ROU)
Fourth Official: Radu Ghinguleac (ROU)
Referee Observer: Hans Reijgwart (NED)

SL Benfica – Dynamo Kyiv
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Additional AR 1: Ruddy Buquet (FRA)
Additional AR 2: Benoît Bastien (FRA)
Fourth Official: Hicham Zakrani (FRA)
Referee Observer: Francesco Bianchi (SUI)

Besiktas – Napoli
Referee: Mark Clattenburg (ENG)
Assistant Referee 1: Jake Collin (ENG)
Assistant Referee 2: Simon Bennett (ENG)
Additional AR 1: Anthony Taylor (ENG)
Additional AR 2: Andre Marriner (ENG)
Fourth Official: Ian Hussin (ENG)
Referee Observer: Sergey Zuev (RUS)

Borussia Monchengladbach – Celtic
Referee: Manuel De Sousa (POR)
Assistant Referee 1: Alvaro Mesquita (POR)
Assistant Referee 2: Ricardo Santos (POR)
Additional AR 1: Carlos Taborda (POR)
Additional AR 2: João Capela (POR)
Fourth Official: Paulo Soares (POR)
Referee Observer: Jørn West Larsen (DEN)

Atletico Madrid – FC Rostov
Referee: Craig Thomson (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Alan Mulvanny (SCO)
Additional AR 1: Robert Madden (SCO)
Additional AR 2: Andrew Dallas (SCO)
Fourth Official: Graeme Stewart (SCO)
Referee Observer: Georgios Bikas (GRE)

PSV Eindhoven – Bayern München
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Mauro Tonolini (ITA)
Additional AR 1: Antonio Damato (ITA)
Additional AR 2: Daniele Doveri (ITA)
Fourth Official: Gianluca Cariolato (ITA)
Referee Observer: Zbigniew Przesmycki (POL)

2 November 2016
Tottenham Hotspur – Bayer Leverkusen
Referee: Jonas Eriksson (SWE)
Assistant Referee 1: Mathias Klasenius (SWE)
Assistant Referee 2: Daniel Wärnmark (SWE)
Additional AR 1: Stefan Johannesson (SWE)
Additional AR 2: Markus Strömbergsson (SWE)
Fourth Official: Daniel Gustavsson (SWE)
Referee Observer: Ilkka Koho (FIN)

AS Monaco – CSKA Moskva
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Žunič (SVN)
Assistant Referee 2: Manuel Vidali (SVN)
Additional AR 1: Mitja Zganec (SVN)
Additional AR 2: Rade Obrenović (SVN)
Fourth Official: Jure Praprotnik (SVN)
Referee Observer: Vítor Melo Pereira (POR)

Borussia Dortmund – Sporting Lisbon
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Additional AR 1: Kevin Blom (NED)
Additional AR 2: Jochem Kamphuis (NED)
Fourth Official: Jan de Vries (NED)
Referee Observer: Peter Jones (ENG)

Legia Warszawa – Real Madrid
Referee: Pavel Královec (CZE)
Assistant Referee 1: Roman Slyško (SVK)
Assistant Referee 2: Ivo Nadvornik (CZE)
Additional AR 1: Petr Ardeleanu (CZE)
Additional AR 2: Karel Hrubes (CZE)
Fourth Official: Tomas Mokrusch (CZE)
Referee Observer: Bertrand Layec (FRA)

FC København – Leicester City
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Additional AR 1: Bastian Dankert (GER)
Additional AR 2: Marco Fritz (GER)
Fourth Official: Markus Häcker (GER)
Referee Observer: Sándor Piller (HUN)

FC Porto – Club Brügge
Referee: Alberto Undiano Mallenco (ESP)
Assistant Referee 1: Raúl Cabanero Martínez (ESP)
Assistant Referee 2: Diego Barbero Sevilla (ESP)
Additional AR 1: David Fernández Borbalán (ESP)
Additional AR 2: José Sánchez Martínez (ESP)
Fourth Official: Ángel Nevado Rodríguez (ESP)
Referee Observer: Oguz Sarvan (TUR)

Sevilla FC – Dinamo Zagreb
Referee: Felix Zwayer (GER)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Marco Achmüller (GER)
Additional AR 1: Daniel Siebert (GER)
Additional AR 2: Sascha Stegemann (GER)
Fourth Official: Jan Seidel (GER)
Referee Observer: Carmel Agius (MLT)

Juventus Turin – Olympique Lyon
Referee: Björn Kuipers (NED)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Additional AR 1: Pol van Boekel (NED)
Additional AR 2: Richard Liesveld (NED)
Fourth Official: Davie Goossens (NED)
Referee Observer: Peter Fröjdfeldt (SWE)