Through April 21: Philadelphia leads the Battle of Pennsylvania 2-0 (capped by a 3-0 Game 2 shutout). Carolina is up 2-0 on Ottawa after a 2OT Game 2. Sabres-Bruins, Lightning-Canadiens, Vegas-Utah, and Stars-Wild are all tied 1-1. Colorado holds 2-0 on the Kings; both wins by a single goal.
Canonical coverage: This story is covered in depth on our linked guide. Read the full reference page for the complete context.