How Auston Matthews, John Tavares can insulate Gavin McKenna from pressure of No. 1 pick

Gavin McKenna is the presumptive first overall pick, and will almost certainly join the Toronto Maple Leafs with the attendant fanfare, pressure and hype that comes with the territory. McKenna has been in the public spotlight for the better part of four years, emerging as the first player scouted in his class. He is now…