TORONTO, ON - JULY 4: Toronto Maple Leafs first pick overall Auston Matthews participates in the Leafs Development Camp. The Toronto Maple Leafs held their first rookie camp at the Mastercard Centre for Hockey Excellence. (Carlos Osorio/Toronto Star via Getty Images)

TORONTO, ON - JULY 4: Toronto Maple Leafs first pick overall Auston Matthews participates in the Leafs Development Camp. 
The Toronto Maple Leafs held their first rookie camp at the Mastercard Centre for Hockey Excellence.        (Carlos Osorio/Toronto Star via Getty Images)