Johnson on the Maple Leafs without Marner, Toronto's first line and McDavid's future with the Oilers
TSN Hockey Analyst Mike Johnson joined OverDrive to discuss the headlines around the start of NHL training camps, the Maple Leafs moving on without Mitch Marner, Auston Matthews' integral role on the roster, the first line of the team and the depth scoring, Connor McDavid's future with the Oilers, his point totals and more.