Manchester United – Braga
Referee: Milorad Mazic (SRB, photo)
Assistant Referee 1: Milovan Ristic (SRB)
Assistant Referee 2: Igor Radojcic (SRB)
Additional AR 1: Milenko Vukadinovic (SRB)
Additional AR 2: Miodrag Gogic (SRB)
Fourth Official: Vladimir Jovanovic (SRB)
Referee Observer: Johannes Reijgwaart (NED)
Spartak Moskva – Benfica
Referee: Mark Clattenburg (ENG)
Assistant Referee 1: Simon Beck (ENG)
Assistant Referee 2: Stephen Child (ENG)
Additional AR 1: Michael Jones (ENG)
Additional AR 2: Kevin Friend (ENG)
Fourth Official: Darren Cann (ENG)
Referee Observer: Athanassios Briakos (GRE)
Nordsjaelland – Juventus
Referee: Deniz Aytekin (GER)
Assistant Referee 1: Guido Kleve (GER)
Assistant Referee 2: Stefan Lupp (GER)
Additional AR 1: Marco Fritz (GER)
Additional AR 2: Guido Winkmann (GER)
Fourth Official: Holger Henschel (GER)
Referee Observer: Ilkka Koho (FIN)
Shakhtar Donetsk – Chelsea
Referee: Damir Skomina (SVN)
Assistant Referee 1: Matej Zunic (SVN)
Assistant Referee 2: Bojan Ul (SVN)
Additional AR 1: Roberto Ponis (SVN)
Additional AR 2: Dragoslav Peric (SVN)
Fourth Official: Primoz Arhar (SVN)
Referee Observer: Michel Vautrot (FRA)
OSC Lille – Bayern Munchen
Referee: Martin Atkinson (ENG)
Assistant Referee 1: Michael Mullarkey (ENG)
Assistant Referee 2: Stuart Burt (ENG)
Additional AR 1: Michael Oliver (ENG)
Additional AR 2: Anthony Taylor (ENG)
Fourth Official: Jake Collin (ENG)
Referee Observer: Robert Jeurissen (BEL)
FC Barcelona – Celtic
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Gianluca Cariolato (ITA)
Additional AR 1: Mauro Bergonzi (ITA)
Additional AR 2: Andrea De Marco (ITA)
Fourth Official: Riccardo Di Fiore (ITA)
Referee Observer: Nuno Castro (POR)
Bate Borisov – Valencia CF
Referee: Craig Thomson (SCO)
Assistant Referee 1: Derek Rose (SCO)
Assistant Referee 2: Alasdair Ross (SCO)
Additional AR 1: Steven McLean (SCO)
Additional AR 2: Paul Robertson (SCO)
Fourth Official: Graham Chambers (SCO)
Referee Observer: Vladimir Antonov (MDA)
Galatasaray – CFR Cluj
Referee: Paolo Tagliavento (ITA)
Assistant Referee 1: Mauro Tonolini (ITA)
Assistant Referee 2: Lorenzo Manganelli (ITA)
Additional AR 1: Luca Banti (ITA)
Additional AR 2: Antonio Damato (ITA)
Fourth Official: Andrea Stefani (ITA)
Referee Observer: Michel Piraux (BEL)
24 October 2012
Borussia Dortmund – Real Madrid
Referee: Viktor Kassai (HUN)
Assistant Referee 1: Gabor Eros (HUN)
Assistant Referee 2: Gyorgy Ring (HUN)
Additional AR 1: Tamas Bognar (HUN)
Additional AR 2: Mihaly Fabian (HUN)
Fourth Official: Robert Kispal (HUN)
Referee Observer: Oguz Sarvan (TUR)
Zenit – Anderlecht
Referee: Ivan Bebek (CRO)
Assistant Referee 1: Tomislav Petrovic (CRO)
Assistant Referee 2: Miro Grgic (CRO)
Additional AR 1: Domagoj Vuckov (CRO)
Additional AR 2: Goran Gabrilo (CRO)
Fourth Official: Dalibor Conjar (CRO)
Referee Observer: Kyros Vassaras (GRE)
FC Porto – Dynamo Kyiv
Referee: Pavel Kralovec (CZE)
Assistant Referee 1: Roman Slysko (SVK)
Assistant Referee 2: Martin Wilczek (CZE)
Additional AR 1: Radek Prihoda (CZE)
Additional AR 2: Michal Patak (CZE)
Fourth Official: Antonin Kordula (CZE)
Referee Observer: Stephen Bennett (ENG)
Dinamo Zagreb – Paris St. Germain
Referee: Firat Aydinus (TUR)
Assistant Referee 1: Serkan Ok (TUR)
Assistant Referee 2: Aleks Tascioglu (TUR)
Additional AR 1: Tolga Ozkalfa (TUR)
Additional AR 2: Koray Gencerler (TUR)
Fourth Official: Serkan Gencerler (TUR)
Referee Observer: Vítor Melo Pereira (POR)
Arsenal – Schalke
Referee: Jonas Eriksson (SWE)
Assistant Referee 1: Mathias Klasenius (SWE)
Assistant Referee 2: Daniel Warnmark (SWE)
Additional AR 1: Stefan Johannesson (SWE)
Additional AR 2: Martin Strombergsson (SWE)
Fourth Official: Stefan Wittberg (SWE)
Referee Observer: Alfredo Trentalange (ITA)
Montpellier – Olympiacos
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Luca Maggiani (ITA)
Assistant Referee 2: Massimiliano Grilli (ITA)
Additional AR 1: Paolo Mazzoleni (ITA)
Additional AR 2: Paolo Valeri (ITA)
Fourth Official: Renato Faverani (ITA)
Referee Observer: Manuel Lopez Fernandez (ESP)
Malaga – AC Milan
Referee: Pedro Proenca (POR)
Assistant Referee 1: Tiago Trigo (POR)
Assistant Referee 2: Bertino Miranda (POR)
Additional AR 1: Duarte Gomes (POR)
Additional AR 2: Joao Capela (POR)
Fourth Official: Venancio Tome (POR)
Referee Observer: Rodger Gifford (WAL)
Ajax Amsterdam – Manchester City
Referee: Svein Oddvar Moen (NOR)
Assistant Referee 1: Kim Haglund (NOR)
Assistant Referee 2: Frank Andas (NOR)
Additional AR 1: Tommy Skjerven (NOR)
Additional AR 2: Brage Sandmoen (NOR)
Fourth Official: Sven Erik Midthjell (NOR)
Referee Observer: Charles Agius (MLT)