Deportivo Tachira – Nacional
Referee: Raul Orosco (BOL, photo)
Assistant Referee 1: Efrain Castro (BOL)
Assistant Referee 2: Arol Valda (BOL)
Fourth Official: Marlon Escalante (VEN)
Nacional – Alianza Lima
Referee: Nestor Pitana (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Gustavo Rossi (ARG)
Fourth Official: Daniel Fedorczuk (URU)
Universidad de Chile – Penarol
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Dibert Pedrosa (BRA)
Fourth Official: Julio Bascunan (CHI)
28 March 2012
Universidad Catolica – Union Espanola
Referee: Patricio Polic (CHI)
Assistant Referee 1: Sergio Roman (CHI)
Assistant Referee 2: Juan Maturana (CHI)
Fourth Official: Jorge Osorio (CHI)
Defensor Sporting – Chivas
Referee: Enrique Caceres (PAR)
Assistant Referee 1: Carlos Caceres (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Roberto Silvera (URU)
Olimpia – Flamengo
Referee: Enrique Osses (CHI)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Carlos Astroza (CHI)
Fourth Official: Carlos Amarilla (PAR)
29 March 2012
Boca Juniors – Arsenal
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: German Delfino (ARG)
Zamora – Fluminense
Referee: Carlos Vera (ECU)
Assistant Referee 1: Luis Alvarado (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Candelario Andarcia (VEN)