The Jets placed Walker (undisclosed) on injured reserve Sunday, Eric Allen and Amanda Vogt of the team's official site report.
The nature of Walker's injury is unclear, but he'll be forced to miss the entire 2026 season unless an injury settlement is reached with the Jets. He appeared in 14 regular-season games (five starts) for the Jets in 2025, finishing with 31 tackles (nine solo) and one pass defense while also contributing on special teams.