San Francisco 49ers senior defensive assistant coach history
James Bettcher
Bettcher was the senior defensive assistant coach for the San Francisco 49ers in the 2021 season. Bettcher's record as the team's senior defensive assistant coach was 10-7-0, making him the most successful senior defensive assistant coach in San Francisco 49ers history. The team made it to the playoffs one time (2021) and had a 2-1 record under Coach Bettcher in playoff games.
Jason Tarver
Tarver was the senior defensive assistant coach for the San Francisco 49ers in the 2015, 2017 seasons, a total of two years. Tarver's record as the team's senior defensive assistant coach was 11-21-0, making him the second-most successful senior defensive assistant coach in San Francisco 49ers history.
San Francisco 49ers senior defensive assistant coach record
| Coach | Years | Record | Win percentage | Playoff record |
|---|---|---|---|---|
| James Bettcher | 2021 | 10-7-0 | 58.8% | 2-1 |
| Jason Tarver | 2015, 2017 | 11-21-0 | 34.4% | 0-0 |
San Francisco 49ers senior defensive assistant coach facts
- Jason Tarver was the first senior defensive assistant coach in 49ers history in 2015.
- Jason Tarver coached the most seasons as the 49ers's senior defensive assistant coach at two seasons.
- James Bettcher was the last coach to hold the position of senior defensive assistant coach, leaving the role after the 2021 season.