5-7 March 2019
Godoy Cruz – Olimpia
Referee: Raphael Claus (BRA, photo)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Wagner Magalhaes (BRA)
Referee Assessor: Martin Vazquez (URU)
Melgar – San Lorenzo
Referee: Alexis Herrera (VEN)
Assistant Referee 1: Jorge Urrego (VEN)
Assistant Referee 2: Tulio Moreno (VEN)
Fourth Official: Orlando Bracamonte (VEN)
Referee Assessor: Nilson Moncao (BRA)
San Jose – Flamengo
Referee: Nestor Pitana (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Maximiliano Del Yesso (ARG)
Fourth Official: Darío Herrera (ARG)
Referee Assessor: Patricio Polic (CHI)
Deportes Tolima – Atletico Paranaense
Referee: Piero Maza (CHI)
Assistant Referee 1: Raul Orellana (CHI)
Assistant Referee 2: Edson Cisternas (CHI)
Fourth Official: César Deischler (CHI)
Referee Assessor: Jorge Jaimes (PER)
Jorge Wilstermann – Boca Juniors
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Ríos (CHI)
Fourth Official: Cristian Garay (CHI)
Referee Assessor: Amelio Andino (URU)
Libertad – Universidad Catolica
Referee: Jesus Valenzuela (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Lubin Torrealba (VEN)
Fourth Official: Angel Arteaga (VEN)
Referee Assessor: Sergio Cristiano (BRA)
Palestino – Internacional
Referee: Mario Díaz de Vivar (PAR)
Assistant Referee 1: Roberto Canete (PAR)
Assistant Referee 2: Darío Gaona (PAR)
Fourth Official: Juan Benítez (PAR)
Referee Assessor: Pablo Silva (ARG)
Universidad Concepcion – Sporting Cristal
Referee: Nicolas Gallo (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Sebastian Vela (COL)
Fourth Official: Carlos Herrera (COL)
Referee Assessor: Angel Sanchez (ARG)
Atletico Mineiro – Cerro Porteno
Referee: Mauro Vigliano (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: Fernando Espinoza (ARG)
Referee Assessor: Dario Ubriaco (URU)
Alianza Lima – River Plate
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: John Leon (COL)
Fourth Official: Gustavo Murillo (COL)
Referee Assessor: Alicio Pena (BRA)
Zamora – Nacional
Referee: Víctor Carrillo (PER)
Assistant Referee 1: Víctor Raez (PER)
Assistant Referee 2: Michael Orue (PER)
Fourth Official: Michael Espinoza (PER)
Referee Assessor: Ubaldo Aquino (PAR)
Rosario Central – Gremio
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Juan Macías (ECU)
Fourth Official: Luis Quiroz (ECU)
Referee Assessor: Carlos Pastorino (URU)
Junior – Palmeiras
Referee: Daniel Fedorczuk (URU)
Assistant Referee 1: Gabriel Popovits (URU)
Assistant Referee 2: Carlos Barreiro (URU)
Fourth Official: Gustavo Tejera (URU)
Referee Assessor: Henry Gambetta (PER)
Huracan – Cruzeiro
Referee: Diego Haro (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Jesus Sanchez (PER)
Fourth Official: Kevin Ortega (PER)
Referee Assessor: Roberto Silvera (URU)
LDU Quito – Penarol
Referee: Fernando Rapallini (ARG)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Ezequiel Brailovsky (ARG)
Fourth Official: Fernando Echenique (ARG)
Referee Assessor: Joel Ruiz (PAR)
Deportivo Lara – Emelec
Referee: Gery Vargas (BOL)
Assistant Referee 1: Juan Montano (BOL)
Assistant Referee 2: Ariel Guizada (BOL)
Fourth Official: Raul Orosco (BOL)
Referee Assessor: Wilson Lamouroux (COL)