There have been a multitude of changes for the Toronto Maple Leafs in the last several weeks and months, starting with the firing of general manager Brad Treliving on March 30. He’s since been replaced by former Arizona Coyotes GM John Chayka, while former team captain Mats Sundin has returned to the organization in an executive leadership role. Additionally, Chayka has dismissed head coach Craig Berube, and is now conducting the search for the …