Mitch Marner, whose fingerprints were on two goals including Connor McDavid’s winner, won the border war against Auston Matthews, in a Boston barn where Toronto was eliminated three times in a first-round Game 7 series in which he and Matthews had little consolation of being their team’s leading scorer.

In many ways, the poster children for the return of best-on-best hockey have long been Connor McDavid and Auston Matthews. The No. 1 picks from the 2015 and 2016 NHL drafts, respectively, McDavid and Matthews were teased with a version of it as teammates on the made-up Team North America youth squad at the 2016 World Cup of Hockey.