Spartak Moscow – FC Porto
Referee: Viktor Kassai (HUN, photo)
Assistant Referee 1: Gabor Eros (HUN)
Assistant Referee 2: Gyorgy Ring (HUN)
Additional Assistant Referee 1: Mihaly Fabian (HUN)
Additional Assistant Referee 2: Tamas Bognar (HUN)
Fourth Official: Istvan Vad (HUN)
PSV Eindhoven – Benfica
Referee: Wolfgang Stark (GER)
Assistant Referee 1: Jan-Hendrik Salver (GER)
Assistant Referee 2: Mike Pickel (GER)
Additional Assistant Referee 1: Tobias Welz (GER)
Additional Assistant Referee 2: Markus Wingenbach (GER)
Fourth Official: Babak Rafati (GER)
Twente – Villarreal
Referee: William Collum (SCO)
Assistant Referee 1: George Drummond (SCO)
Assistant Referee 2: Graham Chambers (SCO)
Additional Assistant Referee 1: Euan Norris (SCO)
Additional Assistant Referee 2: Stevie O’Reilly (SCO)
Fourth Official: Bobby Madden (SCO)
Braga – Dynamo Kyiv
Referee: Jonas Eriksson (SWE)
Assistant Referee 1: Stefan Wittberg (SWE)
Assistant Referee 2: Mathias Klasenius (SWE)
Additional Assistant Referee 1: Daniel Stålhammar (SWE)
Additional Assistant Referee 2: Tobias Mattson (SWE)
Fourth Official: Stefan Johannesson (SWE)