RB Leipzig – Atalanta BC
Referee: Michael Oliver (ENG, photo)
Assistant Referee 1: Stuart Burt (ENG)
Assistant Referee 2: Simon Bennett (ENG)
Fourth Official: William Collum (SCO)
VAR: Paul Tierney (ENG)
AVAR: Lee Betts (ENG)
Referee Observer: Terje Hauge (NOR)
Eintracht Frankfurt – FC Barcelona
Referee: Srdjan Jovanović (SRB)
Assistant Referee 1: Uroš Stojković (SRB)
Assistant Referee 2: Milan Mihajlović (SRB)
Fourth Official: Fran Jović (CRO)
VAR: Pol van Boekel (NED)
AVAR: Dennis Higler (NED)
Referee Observer: Roberto Rosetti (ITA)
West Ham United – Olympique Lyonnais
Referee: Felix Zwayer (GER)
Assistant Referee 1: Stefan Lupp (GER)
Assistant Referee 2: Mark Borsch (GER)
Fourth Official: Sven Jablonski (GER)
VAR: Bastian Dankert (GER)
AVAR: Christian Dingert (GER)
Referee Observer: Hugh Dallas (SCO)
SC Braga – Rangers FC
Referee: Davide Massa (ITA)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Stefano Alassio (ITA)
Fourth Official: Luca Pairetto (ITA)
VAR: Paolo Valeri (ITA)
AVAR: Massimiliano Irrati (ITA)
Referee Observer: Martin Ingvarsson (SWE)