Brazil's Biro, right, celebrates with Endrick after he scored his team's second goal against Venezuela during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Brazil's Endrick, left, and Venezuela's Carlos Vivas fight for the ball during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Brazil's Gabriel Pec, left, heads the ball as Venezuela's Carlos Faya falls on the pitch, during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Venezuela's Kevin Kelsy, front, heads the ball challenged by Brazil's Matheus Dias during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Brazil's Biro, left, and Venezuela's Rafael Uzcátegui compete for the ball during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Argentina's Federico Redondo celebrates after he scored his team's third goal against Paraguay during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Argentina's Thiago Almada scores on a penalty kick, his side's second goal against Paraguay on a pitch blanketed by a light fog, during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Paraguay's Alan Núñez, left, celebrates after he scored his team's second goal against Argentina during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Paraguay's Ronaldo De Jesús, left, and Argentina's Santiago Castro battle for the ball during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.

Argentina's Pablo Solari celebrates after scoring the opening goal against Paraguay during South America's under-23 pre-Olympic tournament soccer match at Brigido Iriarte stadium in Caracas, Venezuela.