Paris St. Germain – Sevilla FC
Referee: Nicolas Walsh (SCO, photo)
Assistant Referee 1: Francis Connor (SCO)
Assistant Referee 2: David McGeachie (SCO)
Fourth Official: Romain Lissorgue (FRA)
Referee Observer: Frank De Bleeckere (BEL)
Manchester United – Borussia Dortmund
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Robin Wilde (SWE)
Assistant Referee 2: Simon Kristensson (SWE)
Fourth Official: Anthony Backhouse (ENG)
Referee Observer: Kevin Parry (WAL)
AZ Alkmaar – Juventus
Referee: Julian Weinberger (AUT)
Assistant Referee 1: Maximilian Weiss (AUT)
Assistant Referee 2: Michael Obritzberger (AUT)
Fourth Official: Erwin Blank (NED)
Referee Observer: Jan Wegereef (NED)
FC Midtjylland – SL Benfica
Referee: Enea Jorgji (ALB)
Assistant Referee 1: Ridiger Cokaj (ALB)
Assistant Referee 2: Nuri Rrapaj (ALB)
Fourth Official: Morten Krogh (DEN)
Referee Observer: Jorn-West Larsen (DEN)
Liverpool FC – KRC Genk
Referee: Manfredas Lukjančukas (LTU)
Assistant Referee 1: Gevork Arakelian (LTU)
Assistant Referee 2: Dainius Raudys (LTU)
Fourth Official: Benjamin Speedie (ENG)
Referee Observer: Kenneth Clark (SCO)
MSK Zilina – FC Salzburg
Referee: Trustin Farrugia Cann (MLT)
Assistant Referee 1: Luke Portelli (MLT)
Assistant Referee 2: Duncan Spencer (MLT)
Fourth Official: Michal Očenaš (SVK)
Referee Observer: Ladislav Gadoši (SVK)
Real Madrid – Atletico de Madrid
Referee: Harm Osmers (GER)
Assistant Referee 1: Robert Kempter (GER)
Assistant Referee 2: Thorben Siewer (GER)
Fourth Official: Alvaro Rodriguez Recio (ESP)
Referee Observer: Carlos Velasco Carballo (ESP)