Copa Libertadores Semi-finals

First Leg

Santos FC - Cerro Porteno
Referee: Jorge Larrionda (URU, photo)
Assistant Referee 1: Pablo Fandino (URU)
Assistant Referee 2: William Casavieja (URU)
Fourth Official: Hector Martinez (URU)

Penarol - Velez Sarsfield
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Nicolas Yegros (PAR)
Assistant Referee 2: Rodney Aquino (PAR)
Fourth Official: Julio Quintana (PAR)

Second Leg

Cerro Porteno - Santos FC
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Abraham Gonzalez (COL)
Assistant Referee 2: Eduardo Diaz (COL)
Fourth Official: Albert Duarte (COL)

Velez Sarsfield - Penarol
Referee: Enrique Osses (CHI)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Patricio Basualto (CHI)
Fourth Official: Patricio Polic (CHI)