Sean Duggan

Defensive Coordinator, Miami Dolphins (MIA).

Quick Facts

• Role: Defensive Coordinator
• Team: Miami Dolphins (MIA)
• NFL experience: Not listed
• Reports to: Jeff Hafley (Head Coach)
• Coaching tree: see Coaching Trees

Background

Sean Duggan joined the Miami Dolphins as defensive coordinator in 2026. The 2026 season marks Duggan's 12th year of coaching and his third in the NFL.