Rio De Janeiro, April 3 -- A second-half goal from Argentine forward Lucas Di Yorio gave Universidad de Chile a 1-0 home victory over defending champion Botafogo in their opening Copa Libertadores group stage match on Wednesday. Di Yorio broke the deadlock just before the hour when he received Nicolas Guerra's pass on the counterattack and took a steadying touch before rifling a low finish past goalkeeper John. The Brazilian outfit was reduced to 10 men in the 96th minute after striker Igor Jesus was shown a second yellow card for a bad foul on Matias Zaldivia. Meanwhile, two goals in the final 15 minutes gave Argentina's Velez Sarsfield a 2-1 home win over Uruguayan side Penarol. Leonardo Fernandez handed Penarol the lead with a low finish...