Back in September, on the first day of training camp, Stars coach Jim Montgomery was asked about the Finnish rookie who had been turning heads.



“Oh, Heiskanen, Jesus,” Montgomery said at the time. “Can he ever skate?”



Miro Heiskanen did more than just skate this season.



As a 19-year-old he played all 82 games and became just the third teenager in NHL history to log more than 1,800 minutes in a season. His 12 goals as a teenage defenseman ties him for sixth-most in NHL history. Four of the five players ahead of him are in the Hockey Hall of Fame.



Heiskanen has been showered with superlatives all season.



He’s been compared to legends and expected to reach lofty goals. He’s been defined as a franchise-changing defenseman, and you’d be hard-pressed to find any arguments to that statement after his rookie season.



So what’s the best way to look at an elite 19-year-old season?



How...