2 May 2017Atletico Tucuman – Penarol
Referee: Julio Bascunan (CHI, photo)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Claudio Rios (CHI)
Fourth Official: Jorge Osorio (CHI)
Referee Assessor: Ubaldo Aquino (PAR)
Atletico Nacional – Estudiantes
Referee: Diego Haro (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Coty Carrera (PER)
Fourth Official: Miguel Santivanez (PER)
Referee Assessor: Oscar Ruiz (COL)
Botafogo – Barcelona
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 2: Milciades Saldivar (PAR)
Assistant Referee 2: Carlos Caceres (PAR)
Fourth Official: Julio Quintana (PAR)
Referee Assessor: Ana Paula Oliveira (BRA)
3 May 2017
Sport Boys – Atletico Mineiro
Referee: Jesus Valenzuela (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Elbis Gomez (VEN)
Fourth Official: Marlon Escalante (VEN)
Deportivo Iquique – Gremio
Referee: German Delfino (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Ariel Scime (ARG)
Fourth Official: Silvio Trucco (ARG)
Referee Assessor: Carlos Herrera (ECU)
Atletico Paranaense – San Lorenzo
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Cristian De la Cruz (COL)
Fourth Official: Harold Perilla (COL)
Referee Assessor: Jorge Larrionda (URU)
Flamengo – Universidad Catolica
Referee: Victor Carrillo (PER)
Assistant Referee 1: Raul Lopez (PER)
Assistant Referee 2: Victor Raez (PER)
Fourth Official: Henry Gambetta (PER)
Referee Assessor: Rodolfo Otero (ARG)
J. Wilstermann – Palmeiras
Referee: Wilson Lamouroux (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Leon (COL)
Fourth Official: Andres Rojas (COL)
Referee Assessor: Victor Rivera (PER)
4 May 2017
The Strongest – Sporting Cristal
Referee: Mauro Vigliano (ARG)
Assistant Referee 1: Lucas Germanotta (ARG)
Assistant Referee 2: Cristian Navarro (ARG)
Fourth Official: Diego Abal (ARG)
Referee Assessor: Francisco Mondria (CHI)
Godoy Cruz – Libertad
Referee: Roberto Tobar (CHI)
Assistant Referee 1: Raul Orellana (CHI)
Assistant Referee 2: Jose Retamal (CHI)
Fourth Official: Patricio Polic (CHI)
Referee Assessor: Paulo Silva (ARG)
Zamora – Guarani
Referee: Oscar Rojas (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Gabriel Popovits (URU)
Fourth Official: Leodan Gonzalez (URU)
Referee Assessor: Jairo Romero (VEN)
Santos – Santa Fe
Referee: Andres Cunha (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Nicolas Taran (URU)
Fourth Official: Jonathan Fuentes (URU)
Referee Assessor: Alicio Pena (BRA)
