The Maple Leafs' Head Coach, Sheldon Keefe, addressed the media regarding his superstar. He confirmed that the team's doctors pulled Matthews due to an illness. Remember that Matthews hasn't been practicing with the team for the last two days.
The 1st overall draft selection in the 2016 Draft has lived up to the expectations in the regular season thus far. After signing the NHL's most lucrative contract (AAV-wise), the American went on to score 69 goals and register a career-high 107 points in 81 games regular season games. In the playoffs this year, he's registered 3 points, all during game two, the Maple Leafs' lone win.