River Plate's Gabriel Mercado, center right, embraces teammate Manuel Lanzini as he celebrates scoring against Argentinos Juniors during an Argentine league soccer match in Buenos Aires, Argentina, Sunday, May 11, 2014. (AP Photo/Natacha Pisarenko)
Argentinos Juniors's Franco Flores, left, fights for the ball with River Plate's Manuel Lanzini during an Argentine league soccer match in Buenos Aires, Argentina, Sunday, May 11, 2014. (AP Photo/Natacha Pisarenko)
River Plate's players celebrate with teammate Gabriel Mercado, not seen, after he scored against Argentinos Juniors during an Argentine league soccer match in Buenos Aires, Argentina, Sunday, May 11, 2014. (AP Photo/Natacha Pisarenko)