Copa Libertadores – Quarter-finals (Second Leg)

23 May 2012
Fluminense – Boca Juniors
Referee: Enrique Osses (CHI, photo)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Carlos Astroza (CHI)
Fourth Official: Patricio Polic (CHI)

Corinthians – Vasco da Gama
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Altemir Hausmann (BRA)
Assistant Referee 2: Carlos Berkrenbrock (BRA)
Fourth Official: Evandro Roman (BRA)

24 May 2010
Santos – Velez Sarsfield
Referee: Roberto Silvera (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Miguel Nievas (URU)
Fourth Official: Daniel Fedorczuk (URU)

Universidad de Chile – Libertad
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Eduardo Díaz (COL)
Fourth Official: Adrian Velez (COL)