23-25 April 2019
Libertad – Gremio
Referee: Alexis Herrera (VEN, photo)
Assistant Referee 1: Jorge Urrego (VEN)
Assistant Referee 2: Tulio Moreno (VEN)
Fourth Official: Marlon Escalante (VEN)
Referee Assessor: Wilson Lamouroux (COL)
Universidad Concepcion – Olimpia
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Leon (COL)
Assistant Referee 2: Dionisio Ruiz (COL)
Fourth Official: Gustavo Murillo (COL)
Referee Assessor: Juan Lugones (BOL)
Huracan – Emelec
Referee: Arnando Samaniego (PAR)
Assistant Referee 1: Milciades Saldivar (PAR)
Assistant Referee 2: Roberto Canete (PAR)
Fourth Official: Ulises Mereles (PAR)
Referee Assessor: Roberto Silvera (URU)
Godoy Cruz – Sporting Cristal
Referee: Jesus Valenzuela (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Franchescoly Chacon (VEN)
Fourth Official: Angel Arteaga (VEN)
Referee Assessor: Enrique Caceres (PAR)
Atletico Mineiro – Nacional
Referee: Fernando Rapallini (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: Silvio Trucco (ARG)
Referee Assessor: Patricio Polic (CHI)
Deportivo Lara – Cruzeiro
Referee: Gery Vargas (BOL)
Assistant Referee 1: Jose Antelo (BOL)
Assistant Referee 2: Edwar Saavedra (BOL)
Fourth Official: Ivo Mendez (BOL)
Referee Assessor: Candelario Andarcia (VEN)
Palestino – River Plate
Referee: Andres Rojas (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Carlos Herrera (COL)
Referee Assessor: Martin Vazquez (URU)
Jorge Wilstermann – Athletic Paranaense
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Derlis Lopez (PAR)
Referee Assessor: Jorge Jaimes (PER)
Rosario Central – Universidad Católica
Referee: Esteban Ostojich (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Miguel Nievas (URU)
Fourth Official: Christian Ferreyra (URU)
Referee Assessor: Cesar Escano (PER)
Deportes Tolima – Boca Juniors
Referee: Victor Carrillo (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Victor Raez (PER)
Fourth Official: Miguel Santivanez (PER)
Referee Assessor: Mauricio Espinoza (URU)
Alianza Lima – Internacional
Referee: Raul Orosco (BOL)
Assistant Referee 1: Juan Montano (BOL)
Assistant Referee 2: Ariel Guizada (BOL)
Fourth Official: Luis Yrusta (BOL)
Referee Assessor: Carlos Herrera (ECU)
San Jose – Penarol
Referee: German Delfino (ARG)
Assistant Referee 1: Ezequiel Brailovsky (ARG)
Assistant Referee 2: Cristian Navarro (ARG)
Fourth Official: Fernando Echenique (ARG)
Referee Assessor: Manuel Bernal (PAR)
LDU Quito – Flamengo
Referee: Nestor Pitana (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: Fernando Espinoza (ARG)
Referee Assessor: Jorge Osorio (CHI)
Zamora – Cerro Porteno
Referee: Guillermo Guerrero (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Luis Vera (ECU)
Fourth Official: Roddy Zambrano (ECU)
Referee Assessor: Miguel Buitrago (VEN)
Junior – San Lorenzo
Referee: Leodan Gonzalez (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Martin Soppi (URU)
Fourth Official: Andres Matonte (URU)
Referee Assessor: Jose Carpio (ECU)
Melgar – Palmeiras
Referee: Carlos Orbe (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Franklin Congo (ECU)
Referee Assessor: Joel Ruiz (PAR)