Cerro Porteno gains edge in Copa Libertadores qualifier

LIMA, March 5 (Xinhua) -- Midfielder Robert Piris da Motta converted a first-half penalty to give Paraguay's Cerro Porteno a 1-0 away win over Peruvian side Melgar in the first leg of its Copa Libertadores qualifier on Wednesday.

Piris da Motta held his nerve in the 34th minute at the Monumental stadium after Carlos Caceda brought down Juan Iturbe with a bad foul in the area.

The hosts controlled 66 perce