Miami Dolphins senior defensive assistant coach history
Sean Ryan
Ryan is the senior defensive assistant coach for the Miami Dolphins since the 2025 season. Ryan's record as the team's senior defensive assistant coach was 0-3-0, making him the third-most successful senior defensive assistant coach in Miami Dolphins history.
Ryan Slowik
Slowik was the senior defensive assistant coach for the Miami Dolphins in the 2022 season. Slowik's record as the team's senior defensive assistant coach was 9-8-0, making him the second-most successful senior defensive assistant coach in Miami Dolphins history. The team made it to the playoffs one time (2022) and had a 0-1 record under Coach Slowik in playoff games.
Jim Washburn
Washburn was the senior defensive assistant coach for the Miami Dolphins in the 2016 season. Washburn's record as the team's senior defensive assistant coach was 10-6-0, making him the most successful senior defensive assistant coach in Miami Dolphins history. The team made it to the playoffs one time (2016) and had a 0-1 record under Coach Washburn in playoff games.
Miami Dolphins senior defensive assistant coach record
| Coach | Years | Record | Win percentage | Playoff record |
|---|---|---|---|---|
| Sean Ryan | 2025 | 0-3-0 | 0.0% | 0-0 |
| Ryan Slowik | 2022 | 9-8-0 | 52.9% | 0-1 |
| Jim Washburn | 2016 | 10-6-0 | 62.5% | 0-1 |
Miami Dolphins senior defensive assistant coach facts
- Jim Washburn was the first senior defensive assistant coach in Dolphins history in 2016.
- Jim Washburn, Ryan Slowik, and Sean Ryan coached the most seasons as the Dolphins's senior defensive assistant coach at one season.
- Sean Ryan is the current senior defensive assistant coach, starting ahead of the 2025 season.