Sao Pablo – Bahia
Referee: Sandro Ricci (BRA, photo)
Assistant Referee 1: Altemir Hausmann (BRA)
Assistant Referee 2: Carlos Berkenbrock (BRA)
Fourth Official: Ricardo Marques (BRA)
San Martin – Emelec
Referee: Patricio Polic (CHI)
Assistant Referee 1: Juan Maturana (CHI)
Assistant Referee 2: Marcelo Barraza (CHI)
Fourth Official: Henry Gambetta (PER)
22 August 2012
Boca Juniors – Independiente
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: Diego Abal (ARG)
Coritiba – Gremio
Referee: Wilson Seneme (BRA)
Assistant Referee 1: Alessandro Rocha (BRA)
Assistant Referee 2: Emerson Carvalho (BRA)
Fourth Official: Francisco Nascimento (BRA)
Botafogo – Palmeiras
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Marcio Santiago (BRA)
Assistant Referee 2: Fabricio Silva (BRA)
Fourth Official: Pericles Cortes (BRA)
23 August 2012
Leon Huanuco – Deportivo Quito
Referee: Antonio Arias (PAR)
Assistant Referee 1: Carlos Caceres (PAR)
Assistant Referee 2: Dario Gaono (PAR)
Fourth Official: Miguel Santivanez (PER)
Figueirense – Goianiense
Referee: Marcelo Henrique (BRA)
Assistant Referee 1: Roberto Braatz (BRA)
Assistant Referee 2: Rodrigo Joia (BRA)
Fourth Official: Ricardo Marques (BRA)
Colon Santa Fe – Racing
Referee: Pablo Lunati (ARG)
Assistant Referee 1: Gustavo Esquivel (ARG)
Assistant Referee 2: Ernesto Uziga (ARG)
Fourth Official: Saul Laverni (ARG)
