It's rare for a player in his mid-20s to fall this dramatically for more than a full calendar year. What's going on with Elias Pettersson?

Vancouver Canucks traded J.T. Miller to the New York Rangers for Filip ... T. Miller and Elias Petersson) Elias Pettersson's performance deteriorates and J. T. Miller's performance flourishes ...

Elias Pettersson's injury has raised questions ... Her reporting strengths include covering news stories and following stars like McDavid, Matthews and Alex Ovechkin, among others.