20 March 2012
Emelec – Lanus
Referee: Enrique Osses (CHI, photo)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Julio Diaz (CHI)
Fourth Official: Alfredo Intriago (ECU)
Bolivar – Junior
Referee: Victor Rivera (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Raul Lopez (PER)
Fourth Official: Johnny Cuellar (BOL)
21 March 2012
The Strongest – Internacional
Referee: Omar Ponce (ECU)
Assistant Referee 1: Carlos Herrera (ECU)
Assistant Referee 2: Juan Cedeno (ECU)
Fourth Official: Gery Vargas (BOL)
Corinthians – Cruz Azul
Referee: Martin Vazquez (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Marcelo Costa (URU)
Fourth Official: Paulo Oliveira (BRA)
Vasco da Gama – Libertad
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Ricardo Marques (BRA)
22 March 2012
Velez Sarsfield – Deportivo Quito
Referee: Wilson Seneme (BRA)
Assistant Referee 1: Alessandro Rocha (BRA)
Assistant Referee 2: Alteir Hausmann (BRA)
Fourth Official: Hernan Maidana (ARG)
Santos – Juan Aurich
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Ernesto Uziga (ARG)
Fourth Official: Marcelo Henrique (BRA)
Atletico Nacional – Godoy Cruz
Referee: Heber Lopes (BRA)
Assistant Referee 1: Roberto Braatz (BRA)
Assistant Referee 2: Marcelo Van Gasse (BRA)
Fourth Official: Adrian Velez (COL)