Dallas Cowboys assistant defensive line coach history
Greg Ellis
Ellis is the assistant defensive line coach for the Dallas Cowboys since the 2024 season. Ellis' record as the team's assistant defensive line coach was 6-8-0, making him the least successful assistant defensive line coach in Dallas Cowboys history.
Sharrif Floyd
Floyd was the assistant defensive line coach for the Dallas Cowboys in the 2023 season. Floyd's record as the team's assistant defensive line coach was 12-5-0, making him the second-most successful assistant defensive line coach in Dallas Cowboys history. The team made it to the playoffs one time (2023) and had a 0-1 record under Coach Floyd in playoff games.
Leon Lett
Lett was the assistant defensive line coach for the Dallas Cowboys in the 2014, 2020-2022 seasons, a total of four years. Lett's record as the team's assistant defensive line coach was 42-24-0, making him the third-most successful assistant defensive line coach in Dallas Cowboys history. The team made it to the playoffs three times (2014, 2021-2022) and had a 2-3 record under Coach Lett in playoff games.
Ben Bloom
Bloom was the assistant defensive line coach for the Dallas Cowboys in the 2014 season. Bloom's record as the team's assistant defensive line coach was 12-4-0, making him the most successful assistant defensive line coach in Dallas Cowboys history. The team made it to the playoffs one time (2014) and had a 1-1 record under Coach Bloom in playoff games.
Jim Jeffcoat
Jeffcoat was the assistant defensive line coach for the Dallas Cowboys in the 1998-1999 seasons, a total of two years. Jeffcoat's record as the team's assistant defensive line coach was 18-14-0, making him the second-least successful assistant defensive line coach in Dallas Cowboys history. The team made it to the playoffs two times (1998-1999) and had a 0-2 record under Coach Jeffcoat in playoff games.
Dallas Cowboys assistant defensive line coach record
| Coach | Years | Record | Win percentage | Playoff record |
|---|---|---|---|---|
| Greg Ellis | 2024 | 6-8-0 | 42.9% | 0-0 |
| Sharrif Floyd | 2023 | 12-5-0 | 70.6% | 0-1 |
| Leon Lett | 2014, 2020-2022 | 42-24-0 | 63.6% | 2-3 |
| Ben Bloom | 2014 | 12-4-0 | 75.0% | 1-1 |
| Jim Jeffcoat | 1998-1999 | 18-14-0 | 56.3% | 0-2 |
Dallas Cowboys assistant defensive line coach facts
- Jim Jeffcoat was the first assistant defensive line coach in Cowboys history in 1998.
- Leon Lett coached the most seasons as the Cowboys's assistant defensive line coach at four seasons.
- Greg Ellis is the current assistant defensive line coach, starting ahead of the 2024 season.