George Pickens is effectively on a prove-it year with the Dallas Cowboys. Tyler Guyton, the Cowboys' first-round offensive tackle from 2024, is still working to justify that pick while protecting Dak Prescott's blindside. But the player entering 2026 under maybe the most pressure of all is linebacker DeMarvion Overshown. Now entering the final season of his rookie contract, Overshown needs 2026 to be the year where it all finally comes together. More news: Chicago Bears Player Facing the Most Pressure in 2026...More news: Green Bay Packers Player Facing the Most Pressure in 2026Dallas' defense — arguably the worst unit in the NFL last season, allowing a league-high 30.1 points per game — needs Overshown healthy more than almost anyone on the roster.