First Leg, 6 December 2017
Independiente – Flamengo
Referee: Mario Diaz de Vivar (PAR, photo)
Assistant Referee 1: Milciades Saldivar (PAR)
Assistant Referee 2: Darío Gaona (PAR)
Fourth Official: Eber Aquino (PAR)
VAR 1: Enrique Caceres (PAR)
VAR 2: Eduardo Cardozo (PAR)
AVAR: Roddy Zambrano (ECU)
Referee Assessor: Alberto Tejada (PER)
Referees Committee: Wilson Seneme (BRA)
Second Leg, 13 December 2017
Flamengo – Independiente
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Alexander Guzman (COL)
Assistant Referee 2: Cristian De la Cruz (COL)
Fourth Official: Gustavo Murillo (COL)
VAR 1: Daniel Fedorczuk (URU)
VAR 2: Nicolas Taran (URU)
AVAR: Roberto Tobar (CHI)
Referee Assessor: Dario Ubriaco (URU)
Referees Committee: Wilson Seneme (BRA)