9-11 April 2019Olimpia – Godoy Cruz
Referee: Anderson Daronco (BRA, photo)
Assistant Referee 1: Alessandro Rocha (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Ricardo Marques (BRA)
Referee Assessor: Martin Vazquez (URU)
Atletico Paranaense – Deportes Tolima
Referee: Jesus Valenzuela (VEN)
Assistant Referee 1: Luis Murillo (VEN)
Assistant Referee 2: Carlos Lopez (VEN)
Fourth Official: Jose Argote (VEN)
Referee Assessor: Manuel Bernal (PAR)
Internacional – Palestino
Referee: Carlos Orbe (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Edwin Bravo (ECU)
Fourth Official: Franklin Congo (ECU)
Referee Assessor: Joel Ruiz (PAR)
San Lorenzo – Melgar
Referee: Eber Aquino (PAR)
Assistant Referee 1: Rodney Aquino (PAR)
Assistant Referee 2: Milciades Saldivar (PAR)
Fourth Official: Derlis Lopez (PAR)
Referee Assessor: Francisco Mondria (CHI)
Peñarol – LDU Quito
Referee: Alexis Herrera (VEN)
Assistant Referee 1: Jorge Urrego (VEN)
Assistant Referee 2: Tulio Moreno (VEN)
Fourth Official: Marlon Escalante (VEN)
Referee Assessor: Angel Sanchez (ARG)
Sporting Cristal – Universidad Concepción
Referee: Leodan Gonzalez (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Miguel Nievas (URU)
Fourth Official: Andres Matonte (URU)
Referee Assessor: Ubaldo Aquino (PAR)
Cruzeiro – Huracan
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Alejandro Molina (CHI)
Assistant Referee 2: Claudio Urrutia (CHI)
Fourth Official: Eduardo Gamboa (CHI)
Referee Assessor: Ana Perez (PER)
Nacional – Zamora
Referee: Fernando Espinoza (ARG)
Assistant Referee 1: Maximiliano Del Yesso (ARG)
Assistant Referee 2: Pablo Gonzalez (ARG)
Fourth Official: German Delfino (ARG)
Referee Assessor: Jorge Osorio (CHI)
Cerro Porteño – Atlético Mineiro
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Dionisio Ruiz (COL)
Fourth Official: Bismark Santiago (COL)
Referee Assessor: Rodolfo Otero (ARG)
Gremio – Rosario Central
Referee: Andres Rojas (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Leon (COL)
Fourth Official: Gustavo Murillo (COL)
Referee Assessor: Dario Ubriaco (URU)
Palmeiras – Junior
Referee: Roberto Tobar (CHI)
Assistant Referee 1: Raul Orellana (CHI)
Assistant Referee 2: Edson Cisternas (CHI)
Fourth Official: Cristian Garay (CHI)
Referee Assessor: Mauricio Espinosa (URU)
Universidad Catolica – Libertad
Referee: Gery Vargas (BOL)
Assistant Referee 1: Jose Antelo (BOL)
Assistant Referee 2: Edwar Saavedra (BOL)
Fourth Official: Raul Orosco (BOL)
Referee Assessor: Jose Carpio (ECU)
Boca Juniors – Jorge Wilstermann
Referee: Diego Haro (PER)
Assistant Referee 1: Coty Carrera (PER)
Assistant Referee 2: Jesus Sanchez (PER)
Fourth Official: Kevin Ortega (PER)
Referee Assessor: Juan Cardellino (URU)
River Plate – Alianza Lima
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Arnaldo Samaniego (PAR)
Referee Assessor: Jose Buitrago (COL)
Flamengo – San Jose
Referee: Piero Maza (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Rios (CHI)
Fourth Official: Cesar Deischler (CHI)
Referee Assessor: Ricardo Casas (ARG)
Emelec – Deportivo Lara
Referee: Esteban Ostojich (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Martin Soppi (URU)
Fourth Official: Christian Ferreyra (URU)
Referee Assessor: Wilson Lamouroux (COL)
