Milton Casco of Newell's Old Boys, celebrates his goal against Velez Sarsfield during the Copa Libertadores 2013 soccer match at Jose Amalfitani Stadium, in Buenos Aires, Argentina, on May 15, 2013. (Xinhua/Martin Zabala)

Players of Newell's Old Boys, celebrate their goal against Velez Sarsfield during the Copa Libertadores 2013 soccer match at Jose Amalfitani Stadium, in Buenos Aires, Argentina, on May 15, 2013. (Xinhua/Martin Zabala)

Francisco Cerro (C) of Velez Sarsfield vies for the ball with Rinaldo Cruzado (L) and Ignacio Scocco (R) of Newell's Old Boys during the Copa Libertadores 2013 soccer match at Jose Amalfitani Stadium, in Buenos Aires, Argentina, on May 15, 2013. (Xinhua/Martin Zabala)

Players of Newell's Old Boys, celebrate their goal against Velez Sarsfield during the Copa Libertadores 2013 soccer match at Jose Amalfitani Stadium, in Buenos Aires, Argentina, on May 15, 2013. (Xinhua/Martin Zabala)

Juan Sabia (L) of Velez Sarsfield vies for the ball with Pablo Perez (R) of Newell's Old Boys during the Copa Libertadores 2013 soccer match at Jose Amalfitani Stadium, in Buenos Aires, Argentina, on May 15, 2013. (Xinhua/Martin Zabala)