4 things to know about new Bruins forward Mark Kastelic

Mark Kastelic should inject some physicality into Boston's forward corps.While most of the headlines surrounding the Bruins’ blockbuster deal on Monday revolve around Linus Ullmark, Joonas Korpisalo, and Boston’s re-acquired 2024 first-round pick, the Bruins also bolstered their bottom-six unit in their trade with the Senators.

Beyond Korpisalo and that 2024 first-rounder, the Senators also sent Boston 25-year-old forward Mark Kastelic — giving the Bruins another pugnacious presence further down on the depth chart.

Here are four things to know about Kastelic:

Kastelic should provide some snarl and speed on Boston’s fourth line.

Kastelic isn’t exactly a needle-mover for the Bruins in terms of…