How US-Canada Tariffs Could Impact NHL Teams and Players

All players, regardless of which country they play in, get paid in American dollars, says Bettman to the TV channel and continues:

So if the effect of the tariffs is that the Canadian dollar falls in value relative to the American dollar, it will become harder and more painful.

He says that a quarter of the NHL's revenue comes from the Canadian clubs Toronto, Vancouver, Montreal, Ottawa, Winnipeg, Edmonton, and Calgary.