Gremio – Palmeiras
Referee: Patricio Loustau (ARG, photo)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Diego Bonfa (ARG)
Fourth Official: Jose Argote (VEN)
VAR: Mauro Vigliano (ARG)
AVAR 1: Fernando Rapallini (ARG)
AVAR 2: Ezequiel Brailovsky (ARG)
VAR Observer: Enrique Caceres (PAR)
Referee Assessor: Sergio Cristiano (BRA)
LDU Quito – Boca Juniors
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Dionisio Ruiz (COL)
Fourth Official: Gustavo Murillo (COL)
VAR: Jesus Valenzuela (VEN)
AVAR 1: Nicola Gallo (COL)
AVAR 2: Jorge Urrego (VEN)
VAR Observer: Dario Ubriaco (URU)
Referee Assessor: Francisco Mondria (CHI)
Flamengo – Internacional
Referee: Roberto Tobar (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Rios (CHI)
Fourth Official: Guillermo Guerrero (ECU)
VAR: Julio Bascunan (CHI)
AVAR 1: Esteban Ostojich (URU)
AVAR 2: Nicolas Taran (URU)
VAR Observer: Sergio Correa (BRA)
Referee Assessor: Rodolfo Otero (ARG)
River Plate – Cerro Porteno
Referee: Victor Carrillo (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Victor Raez (PER)
Fourth Official: Juan Soto (VEN)
VAR: Raphael Claus (BRA)
AVAR 1: Alexis Herrera (VEN)
AVAR 2: Rodrigo Correa (BRA)
VAR Observer: Patricio Polic (CHI)
Referee Assessor: Jose Buitrago (COL)