Overview

• Paul Guenther joins the Dallas Cowboys as the new defensive run game coordinator, bringing experience from his time with the Cincinnati Bengals and Las Vegas Raiders.
• Mike Zimmer, previously with the Bengals and Vikings, is appointed as the Cowboys' new defensive coordinator.
• Greg Ellis, a former Cowboys defensive end and Pro Bowler, returns as the assistant defensive line coach.
• Jeff Zgonina, former Commanders defensive line coach, is also added to the Cowboys' staff, focusing on improving the run defense.
• The coaching staff overhaul comes after former defensive coordinator Dan Quinn took the head coaching job with the Washington Commanders.