1 October 2013
FC Basel – FC Schalke
Referee: Alberto Undiano Mallenco (ESP, photo)
Assistant Referee 1: Raul Cabanero Martinez (ESP)
Assistant Referee 2: Roberto Diaz Perez (ESP)
Additional AR1: Fernando Teixeira Vitienes (ESP)
Additional AR2: Javier Estrada Fernandez (ESP)
Fourth Official: Victoriano Diaz Casado (ESP)
Referee Observer: Fritz Stuchlik (AUT)
Steaua Bucuresti – Chelsea FC
Referee: Carlos Velasco Carballo (ESP)
Assistant Referee 1: Roberto Alonso Fernandez (ESP)
Assistant Referee 2: Juan Yuste Jimenez (ESP)
Additional AR1: Carlos Clos Gomez (ESP)
Additional AR2: Carlos Del Cerro Grande (ESP)
Fourth Official: Javier Aguilar Rodriguez (ESP)
Referee Observer: Edgar Steinborn (GER)
Borussia Dortmund – Olympique Marseille
Referee: David Fernandez Borbalan (ESP)
Assistant Referee 1: Jesus Calvo Guadamuro (ESP)
Assistant Referee 2: Jose Fernandez Miranda (ESP)
Additional AR1: Cesar Muniz Fernandez (ESP)
Additional AR2: Jesus Gil Manzano (ESP)
Fourth Official: Pau Cebrian Devis (ESP)
Referee Observer: Donald McVicar (SCO)
Arsenal – Napoli
Referee: Milorad Mazic (SRB)
Assistant Referee 1: Milovan Ristic (SRB)
Assistant Referee 2: Dalibor Djurdjevic (SRB)
Additional AR1: Danilo Grujic (SRB)
Additional AR2: Miodrag Gogic (SRB)
Fourth Official: Vladimir Cadjenovic (SRB)
Referee Observer: Paul Allaerts (BEL)
Zenit St. Petersburg – Austria Wien
Referee: Deniz Aytekin (GER)
Assistant Referee 1: Guido Kleve (GER)
Assistant Referee 2: Markus Hacker (GER)
Additional AR1: Marco Fritz (GER)
Additional AR2: Bastian Dankert (GER)
Fourth Official: Thorsten Schiffner (GER)
Referee Observer: Laszlo Vagner (HUN)
FC Porto – Atletico Madrid
Referee: Howard Webb (ENG)
Assistant Referee 1: Michael Mullarkey (ENG)
Assistant Referee 2: Darren Cann (ENG)
Additional AR1: Michael Oliver (ENG)
Additional AR2: Michael Jones (ENG)
Fourth Official: Stephen Child (ENG)
Referee Observer: Kaj Ostergaard (DEN)
Ajax Amsterdam – AC Milan
Referee: Jonas Eriksson (SWE)
Assistant Referee 1: Mathias Klasenius (SWE)
Assistant Referee 2: Daniel Warnmark (SWE)
Additional AR1: Stefan Johannesson (SWE)
Additional AR2: Markus Strombergsson (SWE)
Fourth Official: Mehmet Culum (SWE)
Referee Observer: Zoran Petrovic (SRB)
Celtic Glasgow – FC Barcelona
Referee: Stephane Lannoy (FRA)
Assistant Referee 1: Frederic Cano (FRA)
Assistant Referee 2: Michael Annonier (FRA)
Additional AR1: Fredy Fautrel (FRA)
Additional AR2: Ruddy Buquet (FRA)
Fourth Official: Eric Dansault (FRA)
Referee Observer: Athanassios Briakos (GRE)
2 October 2013
Shakhtar Donetsk – Manchester United
Referee: Pavel Kralovec (CZE)
Assistant Referee 1: Roman Slysko (SVK)
Assistant Referee 2: Martin Wilczek (CZE)
Additional AR1: Radek Prihoda (CZE)
Additional AR2: Michal Patak (CZE)
Fourth Official: Antonin Kordula (CZE)
Referee Observer: Eugen Strigel (GER)
Bayer Leverkusen – Real Sociedad
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Tikhon Kalugin (RUS)
Assistant Referee 2: Anton Averianov (RUS)
Additional AR1: Maksim Layushkin (RUS)
Additional AR2: Vitaly Meshkov (RUS)
Fourth Official: Aleksei Vorontsov (RUS)
Referee Observer: Vlado Sajn (SVN)
Juventus Turin – Galatasaray
Referee: Viktor Kassai (HUN)
Assistant Referee 1: Gyorgy Ring (HUN)
Assistant Referee 2: Vencel Toth (HUN)
Additional AR1: Tamas Bognar (HUN)
Additional AR2: Mihaly Fabian (HUN)
Fourth Official: Robert Kispal (HUN)
Referee Observer: Vaclav Krondl (CZE)
Real Madrid – FC Kobenhavn
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Zunic (SVN)
Assistant Referee 2: Roland Brandner (AUT)
Additional AR1: Slavko Vincic (SVN)
Additional AR2: Dragoslav Peric (SVN)
Fourth Official: Primoz Arhar (SVN)
Referee Observer: Jaap Uilenberg (NED)
Paris SG – Benfica
Referee: Nicola Rizzoli (ITA)
Assistant Referee 1: Renato Faverani (ITA)
Assistant Referee 2: Andrea Stefani (ITA)
Additional AR1: Andrea De Marco (ITA)
Additional AR2: Antonio Damato (ITA)
Fourth Official: Riccardo Di Fiore (ITA)
Referee Observer: Michael Riley (ENG)
Anderlecht – Olympiakos
Referee: Tom Harald Hagen (NOR)
Assistant Referee 1: Kim Haglund (NOR)
Assistant Referee 2: Frank Andas (NOR)
Additional AR1: Dag Vidar Hafsas (NOR)
Additional AR2: Tore Hansen (NOR)
Fourth Official: Dag-Roger Nebben (NOR)
Referee Observer: Miroslav Liba (CZE)
CSKA Moskva – Viktoria Plzen
Referee: Bas Nijhuis (NED)
Assistant Referee 1: Rov van de Ven (NED)
Assistant Referee 2: Charles Schaap (NED)
Additional AR1: Serdar Gozubuyuk (NED)
Additional AR2: Ed Janssen (NED)
Fourth Official: Hessel Steegstra (NED)
Referee Observer: Luis Medina Cantalejo (ESP)
Manchester City – Bayern Munchen
Referee: Bjorn Kuipers (NED)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Additional AR1: Pol van Boekel (NED)
Additional AR2: Richard Liesveld (NED)
Fourth Official: Angelo Boonman (NED)
Referee Observer: Peter Mikkelsen (DEN)