Penguins’ defense on edge as Kyle Dubas hunts one critical right-shot fix before the deadline

Kyle Dubas needs a right-shot defenseman, and the Pittsburgh Penguins cannot afford to wait much longer. The standings look kind, but the blue line feels fragile, stretched thin by injuries and hard minutes that pile up quietly until they explode. With Jack St. Ivany sidelined after surgery, the margin for error has shrunk fast, and the calendar keeps moving toward a decisive March 6 deadline.Winning can hide problems, but it does not erase them. Pittsburgh’s record tells one story, while the nightly matchups on defense tell another. Too many shifts are falling on pairings built for survival, not stability. This is the moment when calm roster work matters more than headline moves, because one misstep on the back end can undo weeks of progress.Kyle Dubas does not need another winger who sparks a brief buzz. He needs order. A steady third pair. A penalty kill that looks organized instead of desperate. As one post on X put it, the goal is simple, make the Penguins better without spending a fortune. That mindset narrows the field and sharpens the focus.Connor Murphy fits the “substance” lane almost too neatly. At 32, with a $4.4 million deal that expires after this season, he offers reliability without future pain. Luke Schenn represents the opposite kind of value. He is 36, battle-tested, and capable of surviving ugly minutes when games turn into trench warfare. He will not dazzle, but he will not blink either. Zach Whitecloud, now in Calgary, feels like the classic change-of-scenery option. He is 29, a right shot, undrafted, and often the type of defender who settles in quietly and outplays his price tag.Penguins fans know the danger of chasing “one more scorer.” That movie usually ends with two goals against in five minutes and a bench that looks stunned. Justin Faulk carries the heaviest cap hit at $6.5 million, but prorated numbers can soften the blow if St. Louis helps. Braden Schneider is the swing piece. At 24, heavy and physical, he could be mispriced as teams rethink their timelines. Shane Wright stands apart. At 22, his future matters, but this deadline should be defense first.Land one steady righty, and Erik Karlsson breathes easier. Do that, and Pittsburgh reaches March 6 with control instead of panic.