Reigning champions San Lorenzo lost 1-0 to Corinthians.
Brazilian giants Corinthians claimed a surprise 1-0 victory over Argentinian side San Lorenzo in their second Copa Libertadores group game this week.
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Elias scored the only goal of the game in the second half, though San Lorenzo had the best chances over the 90 but failed to convert any of them.
The game was played behind closed doors due to a CONMEBOL ban on San Lorenzo fans. They had been charged with dangerously setting off several fireworks inside the stadium during the 2014 final.