Molde – Granada
Referee: Srdjan Jovanović (SRB, photo)
Assistant Referee 1: Uroš Stojković (SRB)
Assistant Referee 2: Milan Mihajlović (SRB)
Fourth Official: Sandro Schärer (SUI)
VAR: Bastian Dankert (GER)
AVAR: Bibiana Steinhaus (GER)
Referee Observer: Levan Paniashvili (GEO)
GNK Dinamo – Tottenham Hotspur
Referee: Davide Massa (ITA)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Stefano Alassio (ITA)
Fourth Official: Michael Fabbri (ITA)
VAR: Marco Guida (ITA)
AVAR: Fabio Maresca (ITA)
Referee Observer: Vitor Melo Pereira (POR)
Arsenal – Olympiacos
Referee: Carlos Del Cerro Grande (ESP)
Assistant Referee 1: Juan Yuste Jimenez (ESP)
Assistant Referee 2: Roberto Alonso Fernandez (ESP)
Fourth Official: Jose Sanchez Martinez (ESP)
VAR: Juan Martinez Munuera (ESP)
AVAR: Guillermo Cuadra Fernandez (ESP)
Referee Observer: Iain Robertson Brines (SCO)
Shakhtar Donetsk – AS Roma
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Roberto Diaz Perez (ESP)
Fourth Official: Javier Estrada Fernandez (ESP)
VAR: Alejandro Hernández Hernandez (ESP)
AVAR: Ricardo De Burgos Bengoetxea (ESP)
Referee Observer: Vladimir Antonov (MDA)
Rangers FC – Slavia Praha
Referee: Orel Grinfeld (ISR)
Assistant Referee 1: Roy Hassan (ISR)
Assistant Referee 2: Idan Yarkoni (ISR)
Fourth Official: Gal Leibovitz (ISR)
VAR: Roi Reinshreiber (ISR)
AVAR: David Fuxman (ISR)
Referee Observer: Ray Ellingham (WAL)
AC Milan – Manchester United
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Fourth Official: Christian Dingert (GER)
VAR: Marco Fritz (GER)
AVAR: Sascha Stegemann (GER)
Referee Observer: Bernardino Gonzalez Vazquez (ESP)
Villarreal CF – Dynamo Kyiv
Referee: Andreas Ekberg (SWE)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Stefan Hallberg (SWE)
Fourth Official: Mohammed Al-Hakim (SWE)
VAR: Jochem Kamphuis (NED)
AVAR: Kevin Blom (NED)
Referee Observer: Lutz-Michael Fröhlich (GER)
BSC Young Boys – AFC Ajax
Referee: Robert Madden (SCO)
Assistant Referee 1: Graeme Stewart (SCO)
Assistant Referee 2: David McGeachie (SCO)
Fourth Official: John Beaton (SCO)
VAR: Stuart Attwell (ENG)
AVAR: Paul Tierney (ENG)
Referee Observer: Frank De Bleeckere (BEL)