Cincinnati Bengals senior defensive assistant coach history

Mark Duffner

Duffner is the senior defensive assistant coach for the Cincinnati Bengals since the 2019 season, a total of five years. Duffner's record as the team's senior defensive assistant coach was 37-44-1, making him the most successful senior defensive assistant coach in Cincinnati Bengals history. The team made it to the playoffs two times (2021-2022) and had a 5-2 record under Coach Duffner in playoff games. In 2021, the Cincinnati Bengals faced off against the Los Angeles Rams in Super Bowl LVI and the Bengals, under the direction of head coach Zac Taylor, lost 20-23.


Cincinnati Bengals senior defensive assistant coach record

Coach Years Record Win percentage Playoff record
Mark Duffner 2019-2023 37-44-1 45.7% 5-2

Cincinnati Bengals senior defensive assistant coach facts

  • Mark Duffner was the first senior defensive assistant coach in Bengals history in 2019.
  • Mark Duffner coached the most seasons as the Bengals's senior defensive assistant coach at five seasons.
  • Mark Duffner is the current senior defensive assistant coach, starting ahead of the 2019 season.