‘”We need to raise our level of intensity,” Flyers center Daniel Briere, the ex-Buffalo captain, said when the team was in town last week. “We have to find a way to show more urgency in our game. It’s a dangerous game when you get a big lead in the standings. It’s kind of the same thing I went through with the Sabres [in 2007]. It’s a mind-set that’s tough to fight. It’s human nature.”‘