27 January 2015
Atletico Madrid – Arsenal
Referee: Hugo Miguel (POR, photo)
Assistant Referee 1: Luís Campos (POR)
Assistant Referee 2: Nelson Cordeiro (POR)
Fourth Official: José Lesma López (ESP)
Referee Observer: Bernardino González Vázquez (ESP)
17 February 2015
Real Madrid – Porto
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Raffael Zeder (SUI)
Assistant Referee 2: Stephane De Almeida (SUI)
Fourth Official: José Lesma López (ESP)
Referee Observer: Manuel Mejuto González (ESP)
22 February 2015
Shakhtar Donetsk – Olympiakos
Referee: Andris Treimanis (LVA)
Assistant Referee 1: Haralds Gudermanis (LVA)
Assistant Referee 2: Aleksejs Spasjonnikovs (LVA)
Fourth Official: Mykola Kryvonosov (UKR)
Referee Observer: Vasyl Melnychuk (UKR)
Anderlecht – Barcelona
Referee: Jakob Kehlet (DEN)
Assistant Referee 1: Lars Hummelgaard (DEN)
Assistant Referee 2: Heine Sørensen (DEN)
Fourth Official: Lawrence Visser (BEL)
Referee Observer: Frank De Bleeckere (BEL)
24 February 2015
Benfica – Liverpool
Referee: Benoît Millot (FRA)
Assistant Referee 1: Stephan Luzi (FRA)
Assistant Referee 2: Julien Pacelli (FRA)
Fourth Official: André Narciso (POR)
Referee Observer: Vítor Melo Pereira (POR)
Manchester City – Schalke
Referee: Svein-Erik Edvartsen (NOR)
Assistant Referee 1: Jon-Michael Knutsen (NOR)
Assistant Referee 2: Oystein Ytterland (NOR)
Fourth Official: Chris Kavanagh (ENG)
Referee Observer: Leslie Irvine (NIR)
Ajax – Roma
Referee: Alexander Harkam (AUT)
Assistant Referee 1: Andreas Witschnigg (AUT)
Assistant Referee 2: Robert Steinacher (AUT)
Fourth Official: Dennis Higler (NED)
Referee Observer: Johannes Reijgwart (NED)
25 February 2015
Chelsea – Zenit
Referee: Kevin Clancy (SCO)
Assistant Referee 1: Stuart Macmillan (SCO)
Assistant Referee 2: Graeme Stewart (SCO)
Fourth Official: Kevin Johnson (ENG)
Referee Observer: Rodger Gifford (WAL)