While we've mostly heard the team attached to forwards like Wayne Simmonds, Brayden Schenn and Vladimir Tarasenko, it's possible the team also decides to strengthen up their blueline.
When it comes to the hard grind of the playoffs, the top pairing of Zdeno Chara and Charlie McAvoy could definitely use some help at eating up minutes. A pairing like Torey Krug and Brandon Carlo might be better off as your third pairing and not second.