MIAMI – Here’s how you know it’s a new day for the Miami Heat: They lead the league in points per game and rank second-to-last in points allowed. “We make our mark defensively,” MVP LeBron James said. He’s right. But maybe that’s about to change a little bit. Maybe. For years and years, the Heat have prided themselves on defense. That’s the culture. This is the team that gets its defensive philosophy from Pat “Contest Every Possession” Riley. It is defensive-minded right down