CONMEBOL Libertadores 2019 – Quarter-finals (Second Leg)

27-29 August 2019

Palmeiras – Gremio
Referee: Nestor Pitana (ARG, photo)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Ezequiel Brailovsky (ARG)
Fourth Official: Darío Herrera (ARG)
VAR: Daniel Fedorczuk (URU)
AVAR 1: Alexis Herrera (VEN)
AVAR 2: Nicolas Taran (URU)
VAR Observer: Dario Ubriaco (URU)
Referee Assessor: Alicio Pena (BRA)

Internacional – Flamengo
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: German Delfino (ARG)
VAR: Fernando Rapallini (ARG)
AVAR 1: Andres Rojas (COL)
AVAR 2: Diego Bonfa (ARG)
VAR Observer: Claudio Puga (CHI)
Referee Assessor: Ana Perez (PER)

Cerro Porteno – River Plate
Referee: Julio Bascuñan (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Ríos (CHI)
Fourth Official: Gustavo Murillo (COL)
VAR: Nicolas Gallo (COL)
AVAR 1: Cristian Garay (CHI)
AVAR 2: Alexander Guzman (COL)
VAR Observer: Enrique Caceres (PAR)
Referee Assessor: Ednilson Corona (BRA)

Boca Juniors – Liga de Quito
Referee: Wilton Sampaio (BRA)
Assistant Referee 1: Emerson de Carvalho (BRA)
Assistant Referee 2: Marcelo Van Gasse (BRA)
Fourth Official: Eduardo Gamboa (CHI)
VAR: Braulio Machado (BRA)
AVAR 1: Piero Maza (CHI)
AVAR 2: Jose Retamal (CHI)
VAR Observer: Martin Vazquez (URU)
Referee Assessor: Wilson Lamouroux (COL)