Cory Undlin

Defensive Passing Game Coordinator, Houston Texans (HOU).

Quick Facts

• Role: Defensive Passing Game Coordinator
• Team: Houston Texans (HOU)
• NFL experience: Not listed
• Reports to: DeMeco Ryans (Head Coach)
• Coaching tree: see Coaching Trees

Background

Cory Undlin enters his third season with the Houston Texans as the defensive passing game coordinator in 2025 after two seasons (2021-22) as the San Francisco 49ers defensive passing game specialist/secondary coach, where he worked alongside current Texans head coach DeMeco Ryans. With Houston he helped CB Derek Stingley Jr. reach an AP First-Team All-Pro season and oversaw a 2024 secondary that notched 19 interceptions, the second-most in the league. He was previously the Lions' defensive coordinator (2020) and the Eagles' defensive backs coach (2015-19), part of the Super Bowl LII champion staff.