Copa Libertadores – Group Stage (Matchday 5)

12 March 2013
Universidad – Newells Old Boys

Referee: Wilmar Roldan (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Eduardo Diaz (COL)
Fourth Official: Carlos Ulloa (CHI)
Referee Observer: Pablo Pozo (CHI)

Velez Sarsfield – Penarol
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Alessandro Rocha (BRA)
Fourth Official: Diego Ceballos (ARG)
Referee Observer: Miguel Scime (ARG)

Caracas – Gremio

Referee: Oscar Maldonado (BOL)
Assistant Referee 1: Efrain Castro (BOL)
Assistant Referee 2: Arol Valda (BOL)
Fourth Official: Mayker Gomez (VEN)
Referee Observer: Bernardo Corujo (VEN)

Sporting Cristal – Libertad

Referee: Roberto Silvera (URU)
Assistant Referee 1: Miguel Nievas (URU)
Assistant Referee 2: Marcelo Costa (URU)
Fourth Official: Diego Haro (PER)
Referee Observer: Alberto Tejada (PER)

13 March 2013
Barcelona – Toluca

Referee: Enrique Caceres (PAR)
Assistant Referee 1: Rodney Aquino (PAR)
Assistant Referee 2: Dario Gaona (PAR)

Fourth Official: Carlos Orbe (ECU)
Referee Observer: Rogger Zambrano (ECU)

Deportivo Lara – Olimpia

Referee: Roberto Garcia (MEX)
Assistant Referee 1: Jose Camargo (MEX)
Assistant Referee 2: Alberto Morin (MEX)
Fourth Official: Jose Hoyo (VEN)
Referee Observer: Adrian Gomez (VEN)

Corinthians – Tijuana

Referee: Enrique Osses (CHI)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Carlos Astroza (CHI)
Fourth Official: Francisco Nascimento (BRA)
Referee Observer: Salvio Fagundes (BRA)

The Strongest – Atletico Mineiro

Referee: Julio Quintana (PAR)
Assistant Referee 1: Carlos Caceres (PAR)
Assistant Referee 2: Eduardo Cardozo (PAR)
Fourth Official: Johnny Cuellar (BOL)
Referee Observer: Marcelo Ortube (BOL)

14 March 2013
Nacional – Boca Juniors

Referee: Paulo Oliveira (BRA)
Assistant Referee 1: Marcelo Van Gasse (BRA)
Assistant Referee 2: Fabricio Vilarinho (BRA)
Fourth Official: Andres Cunha (URU)
Referee Observer: Carlos Velasquez (URU)

San Jose – Millonarios

Referee: Patricio Loustau (ARG)
Assistant Referee 1: Ernesto Uziga (ARG)
Assistant Referee 2: Ezequiel Brailovsky (ARG)
Fourth Official: Jose Jordan (BOL)
Referee Observer: Oscar Ortube (BOL)

Arsenal – Sao Paulo

Referee: Omar Ponce (ECU)
Assistant Referee 1: Luis Alvarado (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Mauro Vigliano (ARG)
Referee Observer: Abel Gnecco (ARG)