Steelers Sign Promising Rookie to the 53-Man Roster, Release Veteran RB in a Series of Roster Shakeups Ahead of Showdown With the Dolphins
Pittsburgh, Pennsylvania – December 11, 2025
The Pittsburgh Steelers made several significant roster moves ahead of their Monday Night Football showdown with the Miami Dolphins, reshaping their depth chart at a crucial point in the season. With injuries piling up across the offensive line, head coach Mike Tomlin turned to youth and urgency, elevating tackle Dylan Cook from the practice squad to the 53-man roster.
Cook made his NFL debut just days ago, stepping in after Andrus Peat exited with a concussion against Baltimore. Despite limited action, Cook’s poise and physicality convinced the coaching staff he was ready for a bigger opportunity — one that may arrive immediately if Peat cannot clear protocol. With Broderick Jones still on injured reserve, Cook is now Pittsburgh’s most dependable option at left tackle.

Tomlin acknowledged the risk but didn’t shy away from the moment:
“In moments like this, we’re not looking for the best name on paper — we’re looking for the guy who’s ready to fight,” Tomlin said. “Cook showed he’s not afraid of the moment. And when you step on the field wearing a Steelers uniform, you better know that opportunity can change the entire season.”
To create roster space, Pittsburgh released veteran running back Trey Sermon, a respected locker-room presence who has contributed primarily on special teams. The decision underscores the urgency of fortifying the offensive line — an area that has suffered the most attrition this season.
The Steelers also added veteran tackle David Sharpe to the practice squad, giving them much-needed experience as they prepare for Miami’s relentless pass rush. Sharpe’s 46 career appearances could prove invaluable if injuries continue to thin the unit.
Multiple starters remain question marks entering Week 15, but the Steelers refuse to lean on excuses. For Tomlin’s team, adaptability has become a defining trait.
With Dylan Cook suddenly thrust into the spotlight and the roster shifting to survive December football, the matchup against the Dolphins carries the weight of a turning point. If Pittsburgh emerges with a win, these late-week roster moves may be remembered as the spark that kept their playoff hopes alive.
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