FC Barcelona – Manchester United
Referee: Maurizio Mariani (ITA, photo)
Assistant Referee 1: Alberto Tegoni (ITA)
Assistant Referee 2: Daniele Bindoni (ITA)
Fourth Official: Simone Sozza (ITA)
VAR: Massimiliano Irrati (ITA)
AVAR: Luca Pairetto (ITA)
Referee Observer: Dejan Filipović SRB)
Shaktar Donetsk – FC Rennes
Referee: Irfan Peljto (BIH)
Assistant Referee 1: Senad Ibrisimbegović (BIH)
Assistant Referee 2: Davor Beljo (BIH)
Fourth Official: Miloš Gigovic (BIH)
VAR: Marco Guida (ITA)
AVAR: Fabio Maresca (ITA)
Referee Observer: Matteo Trefoloni (ITA)
AFC Ajax – Union Berlin
Referee: Halil Umut Meler (TUR)
Assistant Referee 1: Mustafa Eyisoy (TUR)
Assistant Referee 2: Cevdet Komurcuoglu (TUR)
Fourth Official: Arda Kardeşler (TUR)
VAR: Abdulkadir Bitigen (TUR)
AVAR: Mete Kalkavan (TUR)
Referee Observer: Bertrand Layec (FRA)
FC Salzburg – AS Roma
Referee: Glenn Nyberg (SWE)
Assistant Referee 1: Mahbod Beigi (SWE)
Assistant Referee 2: Andreas Söderqvist (SWE)
Fourth Official: Adam Ladebäck (SWE)
VAR: Pol van Boekel (NED)
AVAR: Dennis Higler (NED)
Referee Observer: Alberto Undiano Mallenco (ESP)
Juventus – Nantes
Referee: Joao Pinheiro (POR)
Assistant Referee 1: Bruno Jesus (POR)
Assistant Referee 2: Luciano Maia (POR)
Fourth Official: Antonio Nobre (POR)
VAR: Tiago Martins (POR)
AVAR: Luis Godinho (POR)
Referee Observer: Carlos Clos Gomez (ESP)
Sporting CP – FC Midtjylland
Referee: Francois Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Ruddy Buquet (FRA)
VAR: Benoît Millot (FRA)
AVAR: Pierre Gaillouste (FRA)
Referee Observer: Milorad Mažić (SRB)
Bayer Leverkusen – AS Monaco
Referee: Orel Grinfeeld (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: Frank De Bleeckere (BEL)
Sevilla FC – PSV Eindhoven
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Birsan (ROU)
VAR: Christian Dingert (GER)
AVAR: Ovidiu Hategan (ROU)
Referee Observer: Laurent Duhamel (FRA)
Referee Observer: Laurent Duhamel (FRA)
