The numbers keep piling up, one great performance somehow topped by his latest one, and there’s no easy answer to the question: How can it be that Mitch Marner, in his first year with the Vegas Golden Knights, hasn’t looked like this in the playoffs since he was a member of the London Knights? If that player never truly showed up in Toronto, not when it mattered, he somehow exists again in Vegas. And he is dominating the Stanley Cup final.