6 December 2011
Chelsea – Valencia
Referee: Gianluca Rocchi (ITA, photo)
Assistant Referee 1: Cristiano Copelli (ITA)
Assistant Referee 2: Luca Maggiani (ITA)
Additional AR 1: Andrea De Marco (ITA)
Additional AR 2: Mauro Bergonzi (ITA)
Fourth Official: Paolo Mazzoleni (ITA)
Genk – Bayer Leverkusen
Referee: Paolo Tagliavento (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Massimiliano Grilli (ITA)
Additional AR 1: Daniele Orsato (ITA)
Additional AR 2: Luca Banti (ITA)
Fourth Official: Paolo Valeri (ITA)
Borussia Dortmund – Olympique Marseille
Referee: Howard Webb (ENG)
Assistant Referee 1: Stephen Child (ENG)
Assistant Referee 2: Simon Beck (ENG)
Additional AR 1: Stuart Attwell (ENG)
Additional AR 2: Michael Oliver (ENG)
Fourth Official: Michael Dean (ENG)
Olympiacos – Arsenal
Referee: Alberto Undiano Mallenco (ESP)
Assistant Referee 1: Fermin Martinez Ibanez (ESP)
Assistant Referee 2: Jesus Calvo Guadamuro (ESP)
Additional AR 1: Cesar Muniz Fernandez (ESP)
Additional AR 2: Alfonso Alvarez Izquierdo (ESP)
Fourth Official: Miguel Perez Lasa (ESP)
FC Porto – Zenit
Referee: Carlos Velasco Carballo (ESP)
Assistant Referee 1: Roberto Alonso Fernandez (ESP)
Assistant Referee 2: Juan Yuste Jimenez (ESP)
Additional AR 1: Fernando Teixeira Vitienes (ESP)
Additional AR 2: Javier Estrada Fernandez (ESP)
Fourth Official: Eduardo Iturralde Gonzalez (ESP)
Apoel – Shakhtar
Referee: Ovidiu Hategan (ROU)
Assistant Referee 1: Zoltan Szekely (ROU)
Assistant Referee 2: Octavian Sovre (ROU)
Additional AR 1: Alexandru Tudor (ROU)
Additional AR 2: Istvan Kovacs (ROU)
Fourth Official: Sebastian Coltescu (ROU)
FC Barcelona – Bate Borisov
Referee: William Collum (SCO)
Assistant Referee 1: George Drummond (SCO)
Assistant Referee 2: Martin Cryans (SCO)
Additional AR 1: Alan Muir (SCO)
Additional AR 2: Robert Madden (SCO)
Fourth Official: Iain Brines (SCO)
Plzen – AC Milan
Referee: Istvan Vad (HUN)
Assistant Referee 1: Gyorgyi Ring (HUN)
Assistant Referee 2: Robert Kispal (HUN)
Additional AR 1: Mihaly Fabian (HUN)
Additional AR 2: Sandor Ando-Szabo (HUN)
Fourth Official Tamas Bognar (HUN)
7 December 2011
Manchester City – Bayern Munchen
Referee: Stephane Lannoy (FRA)
Assistant Referee 1: Eric Dansault (FRA)
Assistant Referee 2: Frederic Cano (FRA)
Additional AR 1: Ruddy Buquet (FRA)
Additional AR 2: Fredy Fautrel (FRA)
Fourth Official: Herve Piccirillo (FRA)
Villarreal – Napoli
Referee: Svein Oddvar Moen (NOR)
Assistant Referee 1: Kim Thomas Haglund (NOR)
Assistant Referee 2: Frank Andas (NOR)
Additional AR 1: Ken Henry Johnsen (NOR)
Additional AR 2: Brage Sandmoen (NOR)
Fourth Official: Tommy Skjerven (NOR)
Lille – Trabzonspor
Referee: Pedro Proenca (POR)
Assistant Referee 1: Tiago Trigo (POR)
Assistant Referee 2: Ricardo Santos (POR)
Additional AR 1: Joao Capela (POR)
Additional AR 2: Joao Ferreira (POR)
Fourth Official: Hugo Miguel (POR)
Inter Milano – CSKA Moscow
Referee: David Fernandez Borbalan (ESP)
Assistant Referee 1: Raul Cabanero Martinez (ESP)
Assistant Referee 2: Roberto Perez Del Palomar (ESP)
Additional AR 1: Antonio Mateu Lahoz (ESP)
Additional AR 2: Carlos Del Cerro Grande (ESP)
Fourth Official: Javier Turienzo Alvarez (ESP)
Basel – Manchester United
Referee: Bjorn Kuipers (NED)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Additional AR 1: Bas Nijhuis (NED)
Additional AR 2: Richard Liesveld (NED)
Fourth Official: Eric Braamhaar (NED)
Benfica – Otelul
Referee: Manuel Grafe (GER)
Assistant Referee 1: Markus Hacker (GER)
Assistant Referee 2: Guido Kleve (GER)
Additional AR 1: Christian Dingert (GER)
Additional AR 2: Tobias Welz (GER)
Fourth Official: Robert Hartmann (GER)
Dinamo Zagreb – Olympique Lyon
Referee: Mark Clattenburg (ENG)
Assistant Referee 1: Michael Mullarkey (ENG)
Assistant Referee 2: Peter Kirkup (ENG)
Additional AR 1: Kevin Friend (ENG)
Additional AR 2: Andre Marriner (ENG)
Fourth Official: Lee Probert (ENG)
Ajax Amsterdam – Real Madrid
Referee: Manuel De Sousa (POR)
Assistant Referee 1: Bertino Míranda (POR)
Assistant Referee 2: Joao Santos (POR)
Additional AR 1: Artur Soares Dias (POR)
Additional AR 2: Carlos Xistra (POR)
Fourth Official: Rui Costa (POR)