Celtic – Barcelona
Referee: Neil Doyle (IRL, photo)
Assistant Referee 1: Emmet Dynan (IRL)
Assistant Referee 2: Declan Toland (IRL)
Fourth Official: Donald Robertson (SCO)
Referee Observer: Stephen Lodge (ENG)
Zenit St. Petersburg – Austria Wien
Referee: Jari Jarvinen (FIN)
Assistant Referee 1: Jukka Honkanen (FIN)
Assistant Referee 2: Olli Jantunen (FIN)
Fourth Official: Vasiliy Kazartsev (RUS)
Referee Observer: Are Habicht (EST)
Porto – Atletico
Referee: Peter Kralovic (SVK)
Assistant Referee 1: Erik Weiss (SVK)
Assistant Referee 2: Milan Cuninka (SVK)
Fourth Official: Vasco Santos (POR)
Referee Observer: Carlos Ferreira (POR)
Steaua – Chelsea
Referee: Aleksei Eskov (RUS)
Assistant Referee 1: Rinat Deushev (RUS)
Assistant Referee 2: Dmitriy Cheltsov (RUS)
Fourth Official: Andrei Antonie (ROU)
Referee Observer: Alexandru Deaconu (ROU)
Dortmund – Marseille
Referee: Thoroddur Hjaltalin (ISL)
Assistant Referee 1: Birkir Sigurdarson (ISL)
Assistant Referee 2: Thor Asgeirsson (ISL)
Fourth Official: Harm Osmers (GER)
Referee Observer: Ferenc Szekely (HUN)
Basel – Schalke
Referee: Michael Johansen (DEN)
Assistant Referee 1: Henrik Larsen (DEN)
Assistant Referee 2: Jannik Rosenkrands (DEN)
Fourth Official: Urs Schnyder (SUI)
Referee Observer: Cyril Zimmermann (SUI)
2 October 2013
CSKA Moskva – Plzen
Referee: Yaroslav Kozyk (UKR)
Assistant Referee 1: Maksym Chos (UKR)
Assistant Referee 2: Ievgen Petrakov (UKR)
Fourth Official: Timur Arslanbeko (RUS)
Referee Observer: Aleksei Spirin (RUS)
Bayer Leverkusen – Real Sociedad
Referee: Sebastian Coltescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Sascha Stegemann (GER)
Referee Observer: Rusmir Mrković (BIH)
Shakhtar Donetsk – Manchester United
Referee: Sergei Lapochkin (RUS)
Assistant Referee 1: Alexei Kharlamov (RUS)
Assistant Referee 2: Valeri Danchenko (RUS)
Fourth Official: Vitaliy Romanov (UKR)
Referee Observer: Vasyl Melnychuk (UKR)
Juventus – Galatasaray
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Alan Kijas (AUT)
Fourth Official: Davide Ghersini (ITA)
Referee Observer: Michel Vautrot (FRA)
PSG – Benfica
Referee: Jonathan Lardot (BEL)
Assistant Referee 1: Laurent Conotte (BEL)
Assistant Referee 2: Nicolas Ponsar (BEL)
Fourth Official: Stephane Jochem (FRA)
Referee Observer: Cornelius Bakker (NED)
Real Madrid – Kobenhavn
Referee: Kevin Clancy (SCO)
Assistant Referee 1: Francis Connor (SCO)
Assistant Referee 2: Douglas Ross (SCO)
Fourth Official: José Luis Lesma Lopez (ESP)
Referee Observer: Manuel Lopez Fernandez (ESP)
Manchester City – Bayern
Referee: Svein-Erik Edvartsen (NOR)
Assistant Referee 1: Jan Erik Engan (NOR)
Assistant Referee 2: Tom Harald Grønevik (NOR)
Fourth Official: Darren Bond (ENG)
Referee Observer: Gerard Perry (IRL)
Ajax – Milan
Referee: Sascha Amhof (SUI)
Assistant Referee 1: Raffael Zeder (SUI)
Assistant Referee 2: Beat Hidber (SUI)
Fourth Official: Dennis Higler (NED)
Referee Observer: Michel Piraux (BEL)
Arsenal – Napoli
Referee: John Beaton (SCO)
Assistant Referee 1: Ross Haswell (SCO)
Assistant Referee 2: Stuart Macmillan (SCO)
Fourth Official: Andrew Madley (ENG)
Referee Observer: Edward Foley (IRL)
Anderlecht – Olympiacos
Referee: Stephan Klossner (SUI)
Assistant Referee 1: Vital Jobin (SUI)
Assistant Referee 2: Carmine Sangiovanni (SUI)
Fourth Official: Denis Vanbecelaere (BEL)
Referee Observer: Robert Jeurissen (BEL)