Medellin win heated Colombia derby
Two players were sent off in the first half of the "Clasico de Antioquia" as champions Independiente Medellin won 2-1 away to Atletico Nacional in the Apertura championship.
Independiente's Felipe Pardo (pictured) was the first to go after 25 minutes for elbowing midfielder Jose Amaya. Nacional's Andres Mosquera followed in the 39th for his second yellow-card offence.
Brazilian defender Anselmo de Almeida put the visitors ahead after three minutes with a long-range shot following a poor clearance from the Nacional defence.
Argentine striker Ezequiel Maggiolo equalised on the half-hour when he lobbed Paraguayan keeper Aldo Bobadilla but Independiente substitute Cesar Valoyes hit the winner 20 minutes from time.
Nacional's Argentine goalkeeper Gaston Pezzuti was lucky to escape a red card when he brought down forward Tressor Moreno.
Barcelona, who flirted dangerously with relegation last year, made it two wins out of two with a 3-0 away victory over promoted Universidad Catolica in Quito.
Copa Sudamericana holders LDU Quito scored twice in the last five minutes to salvage a point in a 2-2 draw away to Macara, who scored twice through Argentine midfielder Gabriel Fernandez.
Uruguayan midfielder Martin Liguera struck in the 27th minute as Union Espanola beat champions Colo Colo 1-0 in the Apertura championship.
Paraguayan Alejandro Da Silva scored a hat-trick in Santiago Wanderers' 5-0 rout of La Serena.
Universidad de Chile, winners of last year's Apertura, beat Huachipato 3-0 to lead the standings with nine points after four matches.
Title holders Nacional beat 3 de Febrero 3-0 away to notch up eight goals in two matches of the Apertura championship.
Guillermo Beltran, who scored the opening goal, took his tally to five after hitting four in Nacional's 5-2 victory over Sol de America in their opening match the previous weekend.
Penarol opened a two-point lead in the Clausura championship when they beat Racing 3-0 with two goals from captain Antonio Pacheco for a maximum nine points after three matches.
Racing, who qualified for the Libertadores Cup group stage for the first time last week, had Santiago Ostolaza sent off in the 74th minute.
Defensor Sporting recovered a measure of self respect with a 1-0 away win over champions Nacional, their nemesis in the 2008-09 season title deciders, holding out after Diego de Souza's fourth-minute goal. Nacional have four points.