Dinamo Zagreb – FC Porto
Referee: Daniele Orsato (ITA, photo)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Massimiliano Grilli (ITA)
Additional AR 1: Paolo Valeri (ITA)
Additional AR 2: Silvio Mazzoleni (ITA)
Fourth Official: Luca Maggiani (ITA)
Referee Observer: William Young (SCO)
PSG – Dynamo Kyiv
Referee: Bjorn Kuipers (NED)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Additional AR 1: Richard Liesveld (NED)
Additional AR 2: Ed Janssen (NED)
Fourth Official: Berry Simons (NED)
Referee Observer: Levan Panishvili (GEO)
Montpellier – Arsenal
Referee: Carlos Velasco Carballo (ESP)
Assistant Referee 1: Roberto Alonso Fernandez (ESP)
Assistant Referee 2: Juan Yuste Jimenez (ESP)
Additional AR 1: Carlos Clos Gomez (ESP)
Additional AR 2: Carlos Del Cerro Grande (ESP)
Fourth Official: Roberto Diaz Del Palomar (ESP)
Referee Observer: Georgios Bikas (GRE)
Olympiacos – Schalke
Referee: David Fernandez Borbalan (ESP)
Assistant Referee 1: Raul Cabanero Martinez (ESP)
Assistant Referee 2: Jesus Calvo Guadamuro (ESP)
Additional AR 1: Fernando Teixeira Vitienes (ESP)
Additional AR 2: Cesar Muniz Fernandez (ESP)
Fourth Official: Jose Fernandez Miranda (ESP)
Referee Observer: Laszlo Vagner (HUN)
Malaga – Zenit
Referee: Mark Clattenburg (ENG)
Assistant Referee 1: Stephen Child (ENG)
Assistant Referee 2: Simon Beck (ENG)
Additional AR 1: Anthony Taylor (ENG)
Additional AR 2: Lee Mason (ENG)
Fourth Official: Michael Mullarkey (ENG)
Referee Observer: Vladimir Antonov (MDA)
AC Milan – Anderlecht
Referee: William Collum (SCO)
Assistant Referee 1: William Conquer (SCO)
Assistant Referee 2: Alan Mulvanny (SCO)
Additional AR 1: Robert Madden (SCO)
Additional AR 2: John Beaton (SCO)
Fourth Official: Martin Cryans (SCO)
Referee Observer: Rune Pedersen (NOR)
Borussia Dortmund – Ajax Amsterdam
Referee: Paolo Tagliavento (ITA)
Assistant Referee 1: Mauro Tonolini (ITA)
Assistant Referee 2: Lorenzo Manganelli (ITA)
Additional AR 1: Andrea De Marco (ITA)
Additional AR 2: Mauro Bergonzi (ITA)
Fourth Official: Nicola Nicoletti (ITA)
Referee Observer: Jorn West Larsen (DEN)
Real Madrid – Manchester City
Referee: Damir Skomina (SVN)
Assistant Referee 1: Primoz Arhar (SVN)
Assistant Referee 2: Matej Zunic (SVN)
Additional AR 1: Slavko Vincic (SVN)
Additional AR 2: Matej Jug (SVN)
Fourth Official: Bojan Ul (SVN)
Referee Observer: Alfredo Trentalange (ITA)
19 September 2012
Shakhtar Donetsk – Nordsjaelland
Referee: Pawel Gil (POL)
Assistant Referee 1: Piotr Sadczuk (POL)
Assistant Referee 2: Marcin Borkowski (POL)
Additional AR 1: Robert Malek (POL)
Additional AR 2: Hubert Siejewicz (POL)
Fourth Official: Konrad Sapela (POL)
Referee Observer: Christas Skapoullis (CYP)
Chelsea – Juventus
Referee: Pedro Proenca (POR)
Assistant Referee 1: Bertino Miranda (POR)
Assistant Referee 2: Tiago Trigo (POR)
Additional AR 1: Joao Capela (POR)
Additional AR 2: Joao Ferreira (POR)
Fourth Official: Rui Tavares (POR)
Referee Observer: Wilfried Heitmann (GER)
Lille – Bate Borisov
Referee: Marcin Borski (POL)
Assistant Referee 1: Rafal Rostkowski (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Additional AR 1: Dawid Piasecki (POL)
Additional AR 2: Daniel Stefanski (POL)
Fourth Official: Maciej Wierzbowski (POL)
Referee Observer: Manuel Diaz Vega (ESP)
Bayern – Valencia
Referee: Firat Aydinus (TUR)
Assistant Referee 1: Serkan Ok (TUR)
Assistant Referee 2: Aleks Tascioglu (TUR)
Additional AR 1: Halis Ozkahya (TUR)
Additional AR 2: Baris Simsek (TUR)
Fourth Official: Tarik Ongun (TUR)
Referee Observer: Bo Karlsson (SWE)
FC Barcelona – Spartak Moskva
Referee: Milorad Mazic (SRB)
Assistant Referee 1: Milovan Ristic (SRB)
Assistant Referee 2: Igor Radojcic (SRB)
Additional AR 1: Milenko Vukadinovic (SRB)
Additional AR 2: Danilo Grujic (SRB)
Fourth Official: Vladimir Jovanovic (SRB)
Referee Observer: Vaclav Krondl (CZE)
Celtic – Benfica
Referee: Nicola Rizzoli (ITA)
Assistant Referee 1: Renato Faverani (ITA)
Assistant Referee 2: Andrea Stefani (ITA)
Additional AR 1: Luca Banti (ITA)
Additional AR 2: Antonio Damato (ITA)
Fourth Official: Riccardo Di Fiore (ITA)
Referee Observer: Jean Lemmer (LUX)
Manchester United –Galatasaray
Referee: Wolfgang Stark (GER)
Assistant Referee 1: Jan-Hendrik Salver (GER)
Assistant Referee 2: Mike Pickel (GER)
Additional AR 1: Tobias Welz (GER)
Additional AR 2: Christian Dingert (GER)
Fourth Official: Markus Hacker (GER)
Referee Observer: Jon Skjervold (NOR)
Braga – CFR Cluj
Referee: Peter Rasmussen (DEN)
Assistant Referee 1: Henrik Sonderby (DEN)
Assistant Referee 2: Lars Rix (DEN)
Additional AR 1: Kenn Hansen (DEN)
Additional AR 2: Michael Tykgaard (DEN)
Fourth Official: Lars Hummelgaard (DEN)
Referee Observer: Kyros Vassaras (GRE)