NHL Commissioner Gary Bettman, left, and Wayne Gretzky speak to the media before the Toronto Maple Leafs play against the Detroit Red Wings during the NHL Centennial Classic in Toronto on Sunday, January 1, 2017. THE CANADIAN PRESS/Nathan Denette NHL Commissioner Gary Bettman, left, and Wayne Gretzky speak to the media before the Toronto Maple Leafs play against the Detroit Red Wings during the NHL Centennial Classic in Toronto on Sunday, January 1, 2017.