August Mangin

Coaching Record

Years Coached Record Win % Playoff record Playoff win %
5 41-27-0 60.29% 6-3 66.67%

Biography

Career Summary

August Mangin is a football coach in the National Football League (NFL) and has been the defensive assistant coach for the Detroit Lions since 2025. Prior to this season, he coached for the San Francisco 49ers for four seasons. His most recent position was with the 49ers as their special teams quality control coach/game management specialist.


History

Year Position Record Playoff record
2025 Detroit Lions Defensive Assistant Coach 0-0-0 0-0
2024 San Francisco 49ers Special Teams Quality Control Coach / Game Management Specialist 6-11-0 0-0
2023 San Francisco 49ers Special Teams Quality Control Coach / Game Management Specialist 12-5-0 2-1
2022 San Francisco 49ers Special Teams Quality Control Coach / Game Management Specialist 13-4-0 2-1
2021 San Francisco 49ers Special Teams Quality Control Coach 10-7-0 2-1

Coach history guide

Seasons with a championship win Seasons with a conference championship

Coach facts