Getty Seattle Seahawks cornerback Derion Kendrick. The Dallas Cowboys are going to try a lot of different things in 2026 when it comes to trying to make the NFL’s worst defense good enough to not torpedo another season . Part of that process is going to be almost a complete overhaul to the starting lineup on that side of the ball and bringing in a lot of different players to try and create depth. The Cowboys made another 1 of those moves on Tuesday by signing veteran free agent cornerback