8 August 2017
Lanus – The Strongest
Referee: Andres Cunha (URU, photo)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Nicolas Taran (URU)
Fourth Official: Jonathan Fuentes (URU)
Referee Assessor: Roberto Perassi (BRA)
River Plate – Guaraní
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Luis Vera (ECU)
Fourth Official: Carlos Orbe (ECU)
Referee Assessor: Martín Vazquez (URU)
9 August 2017
Gremio – Godoy Cruz
Referee: Enrique Caceres (PAR)
Assistant Referee 1: Edurado Cardozo (PAR)
Assistant Referee 2: Juan Zorrilla (PAR)
Fourth Official: Eber Aquino (PAR)
Referee Assessor: Jose Buitrago (COL)
Palmeiras – Barcelona
Referee: Néstor Pitana (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: Diego Abal (ARG)
Referee Assessor: Alberto Tejada (PER)
Atletico Mineiro – Jorge Wilstermann
Referee: Jose Argote (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Luis Murillo (VEN)
Fourth Official: Juan Soto (VEN)
Referee Assessor: Saul Laverni (ARG)
10 August 2017
Botafogo – Nacional
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Leon (COL)
Fourth Official: Harold Perilla (COL)
Referee Assessor: Francisco Mondría (CHI)
Santos – Atletico Paranaense
Referee: Mauro Vigliano (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: German Delfino (ARG)
Referee Assessor: Ednilson Corona (BRA)
San Lorenzo – Emelec
Referee: Wilton Sampaio (BRA)
Assistant Referee 1: Kleber Gil (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Wagner Magalhaes (BRA)
Referee Assessor: Ana Perez (PER)