Bill Sheridan

Senior Defensive Assistant, Jacksonville Jaguars (JAX).

Quick Facts

• Role: Senior Defensive Assistant
• Team: Jacksonville Jaguars (JAX)
• NFL experience: Not listed
• Reports to: Liam Coen (Head Coach)
• Coaching tree: see Coaching Trees

Background

Bill Sheridan enters his second season as the Jaguars' senior defensive assistant in 2026. In 2025, Jacksonville's defense saw major turnarounds, setting franchise records in rushing yards allowed per game (85.6), takeaways (31), interceptions (22), passes defensed (107) and turnover differential (+13). The Jaguars led the NFL in run defense and finished eighth in scoring defense (19.8 points per game).