18 April 2017
Lanus – Zulia
Referee: Diego Haro (PER, photo)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Raul Cruz (PER)
Fourth Official: Joel Alarcon (PER)
Referee Assessor: Alicio Pena (BRA)
Sporting Cristal – The Strongest
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 2: Milciades Saldivar (PAR)
Assistant Referee 2: Roberto Canete (PAR)
Fourth Official: Julio Quintana (PAR)
Referee Assessor: Jorge Larrionda (URU)
Chapecoense – Nacional
Referee: Carlos Orbe (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Christian Lescano (ECU)
Fourth Official: Guillermo Guerrero (ECU)
Referee Assessor: Ubaldo Aquino (PAR)
19 April 2017
Estudiantes – Atletico Nacional
Referee: Andres Cunha (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Nicolas Taran (URU)
Fourth Official: Oscar Rojas (URU)
Referee Assessor: Rodolfo Otero (ARG)
Zamora – Deportivo Iquique
Referee: Michael Espinosa (PER)
Assistant Referee 1: Coty Carrera (PER)
Assistant Referee 2: Jorge Yupanqui (PER)
Fourth Official: Miguel Santivanez (PER)
Referee Assessor: Sandro Vera (ECU)
Santa Fe – Santos
Referee: Fernando Rapallini (ARG)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: Silvio Trucco (ARG)
Referee Assessor: Adrian Gomez (VEN)
Libertad – Atletico Mineiro
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Christian Schiemann (CHI)
Fourth Official: Jorge Osorio (CHI)
Referee Assessor: Joel Ruiz (PAR)
20 April 2017
Godoy Cruz – Sport Boys
Referee: Omar Ponce (ECU)
Assistant Referee 1: Flavio Nall (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Vinicio Espinel (ECU)
Referee Assessor: Claudio Puga (CHI)
Medellin – Melgar
Referee: Leodan Gonzalez (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Horacio Ferreiro (URU)
Fourth Official: Jonathan Fuentes (URU)
Referee Assessor: Pablo Silva (ARG)
Barcelona – Botafogo
Referee: Jesus Valenzuela (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Elbis Gomez (VEN)
Fourth Official: Marlon Escalante (VEN)
Referee Assessor: Oscar Ruiz (COL)
Guarani – Gremio
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Cristian De la Cruz (COL)
Fourth Official: Andres Rojas (COL)
Referee Assessor: Hugo Munoz (ARG)