Copa Libertadores – Quarter-finals (First Leg)

22 May 2013

Real Garcilaso – Santa Fe

Referee: Leandro Vuaden (BRA, photo)
Assistant Referee 1: Altemir Hausmann (BRA)
Assistant Referee 2: Kleber Gil (BRA)
Fourth Official: Francisco Nascimento (BRA)
Referee Observer: Victor Rivera (PER)

Fluminense – Olimpia

Referee: Roberto Silvera (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Carlos Changala (URU)
Fourth Official: Andres Cunha (URU)
Referee Observer: Sergio Correa (BRA)

23 May 2013
Tijuana – Atletico Mineiro

Referee: Jose Buitrago (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Wilson Berrio (COL)
Fourth Official: Adrian Velez (COL)
Referee Observer: Mauricio Morales (MEX)

Boca Juniors – Newells Old Boys
Referee: Mauro Vigliano (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: Silvio Trucco (ARG)
Referee Observer: Abel Gnecco (ARG)