Copa Libertadores – Group Stage (Matchday 4)

11 March 2014
Defensor Sporting – Cruzeiro
Referee: Diego Abal (ARG, photo)
Assistant Referee 1: Gustavo Rossi (ARG)
Assistant Referee 2: Ernesto Uziga (ARG)
Fourth Official: Christian Ferreyra (URU)
Referee Observer: Gustavo Lopez (URU)

The Strongest – Velez Sarsfield
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Marcelo Barraza (CHI)
Fourth Official: Johnny Cuellar (BOL)
Referee Observer: Marcelo Ortube (BOL)

Deportivo Anzoategui – Santos Laguna
Referee: Raul Orosco (BOL)
Assistant Referee 1: Efrain Castro (BOL)
Assistant Referee 2: Javier Bustillos (BOL)
Fourth Official: Adrian Cabello (VEN)
Referee Observer: Alirio Mendez (VEN)

Atletico Nacional – Nacional
Referee: Marco Rodriguez (MEX)
Assistant Referee 1: Marvin Torrentera (MEX)
Assistant Referee 2: Hector Delgadillo (MEX)
Fourth Official: Adrian Velez (COL)
Referee Observer: Carlos Betancourt (COL)

Real Garcilaso – Universidad de Chile
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Eduardo Diaz (COL)
Fourth Official: Miguel Santivanez (PER)
Referee Observer: Alfredo Velarde (PER)

Emelec – Leon
Referee: Jose Argote (VEN)
Assistant Referee 1: Carlos Lopez (VEN)
Assistant Referee 2: Jairo Romero (VEN)
Fourth Official: Carlos Vera (ECU)
Referee Observer: Rogger Zambrano (ECU)

12 March 2014
Independiente Del Valle – Botafogo
Referee: Manuel Garay (PER)
Assistant Referee 1: Raul Lopez (PER)
Assistant Referee 2: Jorge Hurtado (PER)
Fourth Official: Diego Lara (ECU)
Referee Observer: Bomer Fierro (ECU)

San Lorenzo – Union Espanola
Referee: Dario Ubriaco (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Carlos Changala (URU)
Fourth Official: German Delfino (ARG)
Referee Observer: Luis Pasturenzi (ARG)

Flamengo – Bolivar
Referee: Enrique Osses (CHI)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Sergio Roman (CHI)
Fourth Official: Pericles Cortez (BRA)
Referee Observer: Sergio Cristiano (BRA)

Nacional – Atletico Mineiro
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Ivan Nunez (ARG)
Assistant Referee 2: Ariel Scime (ARG)
Fourth Official: Mario Diaz (PAR)
Referee Observer: Cecilio Bejarano (PAR)

Zamora – Santa Fe
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Carlos Herrera (ECU)
Assistant Referee 2: Luis Vera (ECU)
Fourth Official: Jose Hoyo (VEN)
Referee Observer: Adrian Gomez (VEN)

13 March 2014
Arsenal – Penarol
Referee: Sandro Ricci (BRA)
Assistant Referee 1: Emerson de Carvalho (BRA)
Assistant Referee 2: Marcelo van Gasse (BRA)
Fourth Official: Diego Ceballos (ARG)
Referee Observer: Abel Gnecco (ARG)

Gremio – Newell's Old Boys
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Carlos Caceres (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Heber Lopes (BRA)
Referee Observer: Jose Mocelin (BRA)

O'Higgins – Cerro Porteno
Referee: Martin Vazquez (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Carlos Pastorino (URU)
Fourth Official: Eduardo Gamboa (CHI)
Referee Observer: Pablo Pozo (CHI)

Universitario – Atletico Paranaense
Referee: Imer Machado (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Henry Gambetta (PER)
Referee Observer: Gilberto Hidalgo (PER)

Deportivo Cali – Lanus
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Marcio Santiago (BRA)
Assistant Referee 2: Kleber Gil (BRA)
Fourth Official: Luis Sanchez (COL)
Referee Observer: Ramon Giron (COL)