DeBrusk’s promotion, Kuhlman’s return highlights Bruins’ lineup changes for Game 2

The Boston Bruins are still riding the highs of an emotional Game 1 win over the New York Islanders in front of a packed TD Garden. But they’ll enter Game 2 without one of their potent top-six forwards.

Craig Smith exited Saturday’s 5-2 win after sustaining a lower-body injury. On Monday, head coach Bruce Cassidy confirmed that the former Nashville Predator remains day-to-day and won’t suit up for Game 2.

Smith’s absence marks the first case of Cassidy altering his four forward trios because of injury this postseason. The Bruins will tab Jake DeBrusk to fill Smith’s second line vacancy next to David Krejci and Taylor Hall. Karson Kuhlman will make his postseason debut in a third-line role…