how long has sean mcdermott coached the bills

Sean McDermott coached the Buffalo Bills for nine seasons, from the 2017 season through the end of the 2025 season.

Quick Scoop

• Sean McDermott was hired as the Bills’ head coach ahead of the 2017 NFL season.

• He remained in that role through the 2025 season, giving him a nine-year tenure in Buffalo.

• His time with the Bills ended when he was fired in January 2026 after multiple playoff runs but no Super Bowl appearances.

Extra context

• Across those nine years (2017–2025), McDermott became one of the winningest coaches in franchise history, with strong regular-season records and frequent playoff trips.

• His tenure is often viewed as the era that stabilized the Bills and returned them to consistent contender status, even though a Lombardi Trophy remained out of reach.

TL;DR: McDermott coached the Bills from 2017 through 2025, a nine-season run as Buffalo’s head coach.

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