RIO DE JANEIRO, May 13 (Xinhua) -- Following are the results of Tuesday's matches in the Copa Sudamericana group stage (home teams listed first):
Tuesday, May 13
Puerto Cabello 0-1 Melgar
Union 0-1 Mushuc Runa
Lanus 1-0 Vasco da Gama
Gremio 1-1 Godoy Cruz
Nacional Potosi 3-0 Boston River
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