August Mangin

Defensive Assistant, Detroit Lions (DET).

Quick Facts

• Role: Defensive Assistant
• Team: Detroit Lions (DET)
• NFL experience: Not listed
• Reports to: Dan Campbell (Head Coach)
• Coaching tree: see Coaching Trees

Background

August Mangin enters his first season with the Lions as a defensive assistant in 2025. Mangin most recently spent four seasons with the San Francisco 49ers as special teams quality control/game management specialist (2022-24) and special teams quality control (2021).