Pittsburgh 5, Buffalo 2Source: UPI 'Pittsburgh cashed in on its first four power-play chances Saturday night and Alexei Kovalev extended his goal-scoring streak to five games as the Penguins cruised to a 5-2 victory over the Buffalo Sabres.' Related posts: Pittsburgh 4, Buffalo 1 Sharp Sabres sink Caps 5-2 Buffalo 3, Phoenix 1 Barnes' burner puts Pens on the brink Buffalo 4, Pittsburgh 1