August Mangin

Coaching Record

Years Coached	Record	Win %	Playoff record	Playoff win %
6	50-35-0	58.82%	6-3	66.67%

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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. During this time period, the Lions compiled a 9-8-0 record. Mangin will be the defensive assistant coach of the Detroit Lions for the 2026 season.

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History

Year	Position	Record	Playoff record
2026 Detroit Lions	Defensive Assistant Coach	0-0-0	0-0
2025 Detroit Lions	Defensive Assistant Coach	9-8-0	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

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Coach history guide

Seasons with a championship win

Seasons with a conference championship

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