He has faced down Jaromir Jagr as a goalie before. And he has lost.
There's the obvious reason: he's not a goalie. But it goes even deeper than that.
As the son of an NHLer, William Nylander is well-travelled. His childhood is filled with a lot of adorable and interesting stories, too; how else do you get Brooks Laich to be your uncle in such a short timespan?
Michael Nylander's reach stretches out past Laich, though. Of course it touches on Jaromir Jagr. From 2005-07, the elder Nylander played two seasons with the New York Rangers, alongside Jagr.