What is the Leafs’ solution on defense?

The Toronto Maple Leafs, in their first season under new head coach Jim Hiller with a roster re-tooled by new general manager John Chayka, continue to look shaky as they try to find their footing and re-establish themselves as a perennial playoff team in the Eastern Conference. There have been some impressive highs, but also some concerning efforts, particularly on defense, as they’ve conceded at least three goals in regulation in each of their past five games. Chayka set improving the defense as one of his top priorities when he took the job, and while there have been some moves…