Atalanta BC – RB Leipzig
Referee: Antonio Mateu Lahoz (ESP, photo)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Roberto Diaz Perez (ESP)
Fourth Official: Jose Munuera Montero (ESP)
VAR: Juan Martinez Munuera (ESP)
AVAR: Ricardo De Burgos Bengoetxea (ESP)
Referee Observer: Karen Nalbandyan (ARM)
FC Barcelona – Eintracht Frankfurt
Referee: Artur Soares Dias (POR)
Assistant Referee 1: Rui Tavares (POR)
Assistant Referee 2: Paulo Soares (POR)
Fourth Official: Fabio Veríssimo (POR)
VAR: Joao Pinheiro (POR)
AVAR: Tiago Martins (POR)
Referee Observer: Michael Riley (ENG)
Olympique Lyonnais – West Ham United
Referee: Sandro Schärer (SUI)
Assistant Referee 1: Stephane De Almeida (SUI)
Assistant Referee 2: Bekim Zogaj (SUI)
Fourth Official: Davide Massa (ITA)
VAR: Marco Di Bello (ITA)
AVAR: Paolo Valeri (ITA)
Referee Observer: Domenico Messina (ITA)
Rangers FC – SC Braga
Referee: Francois Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Jeremie Pignard (FRA)
VAR: Jerôme Brisard (FRA)
AVAR: Willy Delajod (FRA)
Referee Observer: Stavros Tritsonis (GRE)