Jose Angulo scored twice as Independiente del Valle won 2 - 1 in the opening leg of its Copa Libertadores quarterfinal .
Pumas UNAM will fancy its chances following Fidel Martinez 's late away goal .
Jose Angulo scored twice as Independiente del Valle won 2 - 1 in the opening leg of its Copa Libertadores quarterfinal , but Pumas UNAM will fancy its chances following Fidel Martinez 's late away goal .