Olimpia – Deportivo Lara
Referee: Sandro Ricci (BRA, photo) Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Marcio Santiago (BRA)
Fourth Official: Mario De Vivar (PAR)
Referee Observer: Ubaldo Aquino (PAR)
Newells Old Boys – Universidad de Chile
Referee: Paulo Oliveira (BRA)
Assistant Referee 1: Marcelo Van Gasse (BRA)
Assistant Referee 2: Fabricio Vilarinho (BRA)
Fourth Official: Pablo Diaz (ARG)
Referee Observer: Juan Loustau (ARG)
Millonarios – San Jose
Assistant Referee 1: Raul Lopes (PER)
Assistant Referee 2: Jorge Yupanqui (PER)
Fourth Official: Imer Machado (COL)
Referee Observer: Pablo Montoya (COL)
Gremio – Caracas
Referee: Antonio Arias (PAR)
Assistant Referee 1: Rodney Aquino (PAR)
Assistant Referee 2: Carlos Caceres (PAR)
Fourth Official: Leandro Vuaden (BRA)
Referee Observer: Jose Moccelin (BRA)Assistant Referee 2: Carlos Caceres (PAR)
Fourth Official: Leandro Vuaden (BRA)
Emelec – Deportes Iquique
Referee: Roberto Garcia (MEX)
Assistant Referee 1: Jose Camargo (MEX)
Assistant Referee 2: Alberto Morin (MEX)
Fourth Official: Roddy Zambrano (ECU)
Referee Observer: Rogger Zambrano (ECU)
6 March 2013
Libertad – Sporting Cristal
Referee: Jose Buitrago (COL)
Assistant Referee 1: Wilson Berrio (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Julio Quintana (PAR)
Referee Observer: Manuel Bernal (PAR)
Tigre – Palmeiras
Referee: Omar Ponce (ECU)
Assistant Referee 1: Luis Alvarado (ECU)
Assistant Referee 2: Carlos Herrera (ECU)
Fourth Official: Mauro Vigliano (ARG)
Referee Observer: Carlos Coradina (ARG)
Fluminense – Huachipato
Referee: German Delfino (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Gustavo Rossi (ARG)
Fourth Official: Pericles Cortez (BRA)
Referee Observer: Aristeu Tavares (BRA)
Tijuana – Corinthinas
Referee: Victor Carrillo (PER)
Assistant Referee 1: Jony Bossio (PER)
Assistant Referee 2: Cesar Escano (PER)
Fourth Official: Erim Ramirez (MEX)
Referee Observer: Francisco Ramirez (MEX)
Toluca – Barcelona
Referee: Heber Lopes (BRA)
Assistant Referee 1: Alessandro Rocha (BRA)
Assistant Referee 2: Altemir Hausmann (BRA)
Fourth Official: Jorge Rojas (MEX)(MEX)
Referee Observer: Jorge Gasso (MEX)
7 March 2013
Sao Paulo – Arsenal
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Eduardo Diaz (COL)
Fourth Official: Wilton Sampaio (BRA)
Referee Observer: Salvio Fagundes (BRA)
Cerro Porteno – Santa Fe
Referee: Carlo Vera (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Enrique Caceres (PAR)
Referee Observer: Cecilio Bejarano (PAR)
Boca Juniors – Nacional
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Milciades Saldivar (PAR)
Assistant Referee 2: Hugo Martinez (PAR)
Fourth Official: Silvio Trucco (ARG)
Referee Observer: Abel Gnecco (ARG)
Atletico Mineiro – The Strongest
Referee: Daniel Fedorczuk (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Gabriel Popovits (URU)
Fourth Official: Ricardo Marques (BRA)
Referee Observer: Jose Eugenio (BRA)