Chris Kunitz scored two goals but the Pittsburgh Penguins squandered four leads before falling 8-5 to the Philadelphia Flyers in a stunning playoff game that gave the Flyers a 2-0 playoff lead Friday night. Kunitz was one of five Penguins to collect two points in their loss. The others were Sidney Crosby (a goal and an assist), Pascual Dupuis (two assists), Evgeni Malkin (two assists) and James Neal (two assists). Tyler Kennedy and Paul Martin also potted goals for the Penguins.