RIO DE JANEIRO, Aug. 19 (Xinhua) -- Following are the results of Tuesday's second-leg matches in the Copa Libertadores round of 16 (home teams listed first):
Sao Paulo 1-1 Atletico Nacional (Agg: 1-1, Sao Paulo won 4-3 on penalties)
Racing 3-1 Penarol (Agg: 3-2)
Velez Sarsfield 2-0 Fortaleza (Agg: 2-0)
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