Need To Know: Boo birds out at Bell Centre, Ovechkin only one goal back of Hull

Here’s what you need to know from Thursday in the NHL, where William Nylander’s OT heroics got the Maple Leafs past the Lightning, Patrice Bergeron and Brock Nelson tallied four-goal games, Bell Centre fans let Canadiens know how they feel, and Alex Ovechkin moved within one goal of Brett Hull.