Getty The Toronto Maple Leafs could be active during this upcoming season as the roster remains a work in progress. The Toronto Maple Leafs underwent a transformational offseason this summer. The departure of Mitch Marner left a hole in the team’s lineup that GM Brad Treliving has been trying to plug. Thus far, he has been unsuccessful in plugging the hole with a single piece. So, he’s resorted to multiple pieces to fill in the gap. That situation opens the door for more moves to come during