Chile, 17 January – 10 February 2019
Referee: Fernando Rapallini (ARG, photo)
Assistant Referee 1: Ezequiel Brailovsky (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Referee: Gery Vargas (BOL)
Assistant Referee 1: Jose Antelo (BOL)
Assistant Referee 2: Edwar Saavedra (BOL)
Referee: Raphael Claus (BRA)
Assistant Referee 1: Kleber Gil (BRA)
Assistant Referee 2: Bruno Pires (BRA)
Referee: Piero Maza (CHI)
Assistant Referee 1: Claudio Rios (CHI)
Assistant Referee 2: Jose Retamal (CHI)
Referee: Nicolas Gallo (COL)
Assistant Referee 1: Alexander Leon (COL)
Assistant Referee 2: Wilmar Navarro (COL)
Referee: Carlos Orbe (ECU)
Assistant Referee 1: Juan Macias (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 1: Roberto Canete (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Referee: Joel Alarcon (PER)
Assistant Referee 1: Victor Raez (PER)
Assistant Referee 2: Michael Orue (PER)
Referee: Leodan Gonzalez (URU)
Assistant Referee 1: Richard Trinidad (URU)
Assistant Referee 2: Carlos Barreiro (URU)
Referee: Alexis Herrera (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Jorge Urrego (VEN)
Support Referees
1. Facundo Tello (ARG)
2. Cristian Garay (CHI)