10-12 April 2018
Jaguares – Boston River
Referee: Fernando Echenique (ARG, photo)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Gustavo Rossi (ARG)
Fourth Official: Silvio Trucco (ARG)
Referee Assessor: Candelario Andarcia (VEN)
LDU Quito – Guabira
Referee: Piero Maza (CHI)
Assistant Referee 1: Claudio Rios (CHI)
Assistant Referee 2: Edson Cisternas (CHI)
Fourth Official: Cesar Deischler (CHI)
Referee Assessor: Nelson Moncao (BRA)
Deportivo Cali – Danubio
Referee: Alexis Herrera (VEN)
Assistant Referee 1: Elbis Gomez (VEN)
Assistant Referee 2: Luis Torrealba (VEN)
Fourth Official: Marlon Escalante (VEN)
Referee Assessor: Carlos Herrera (ECU)
Estudiantes Merida – Deportivo Temuco
Referee: Ivo Mendez (BOL)
Assistant Referee 1: Jose Antelo (BOL)
Assistant Referee 2: Ariel Guizada (BOL)
Fourth Official: Jose Jordan (BOL)
Referee Assessor: Imer Machado (COL)
San Lorenzo – Atletico Mineiro
Referee: Leodan Gonzalez (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Gabriel Popovits (URU)
Fourth Official: Gustavo Tejera (URU)
Referee Assessor: Ubaldo Aquino (PAR)
Blooming – Bahia
Referee: Luis Quiroz (ECU)
Assistant Referee 1: Juan Macias (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Omar Ponce (ECU)
Referee Assessor: Cesar Escano (PER)
Fluminense – Nacional Potosi
Referee: Nicolas Gallo (COL)
Assistant Referee 1: Eduardo Diaz (COL)
Assistant Referee 2: John Leon (COL)
Fourth Official: Gustavo Murillo (COL)
Referee Assessor: Roberto Silvera (URU)
Atletico Paranaense – Newell's Old Boys
Referee: Gery Vargas (BOL)
Assistant Referee 1: Juan Montaño (BOL)
Assistant Referee 2: Reluy Vallejos (BOL)
Fourth Official: Juan Garcia (BOL)
Referee Assessor: Francisco Mondria (CHI)
Audax Italiano – Botafogo
Referee: Andres Rojas (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Dionisio Ruiz (COL)
Fourth Official: Carlos Herrera (COL)
Referee Assessor: Rodolfo Otero (ARG)
Sol de America – Independiente Medellin
Referee: Michael Espinoza (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Jesus Sanchez (PER)
Fourth Official: Luis Garay (PER)
Referee Assessor: Saul Laverni (ARG)
Rosario Central – Sao Paulo
Referee: Victor Carrillo (PER)
Assistant Referee 1: Michael Orue (PER)
Assistant Referee 2: Stephen Atoche (PER)
Fourth Official: Joel Alarcon (PER)
Referee Assessor: Juan Cardellino (URU)