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Buffalo Bills fire head coach Sean McDermott after nine seasons

The Buffalo Bills have reportedly fired head coach Sean McDermott, ending a nine-season run defined by regular-season dominance and persistent postseason disappointment.

The move was first reported by Ian Rapoport of NFL Network.

McDermott, 51, was hired in 2017 and quickly transformed the Bills from perennial rebuilders into one of the NFL’s most consistent contenders. Over nine seasons, Buffalo captured five AFC East division titles and reached the playoffs eight times, including seven seasons with double-digit wins.

Regular-season success, playoff ceiling

Despite those achievements, Buffalo’s inability to break through in January ultimately defined McDermott’s tenure.

Under his leadership, the Bills went 8–8 in postseason play, falling short of a Super Bowl appearance. Twice, Buffalo was eliminated in the AFC Championship Game by the Kansas City Chiefs, reinforcing a narrative that the Bills could not clear the league’s final hurdle.

The most recent setback came in the divisional round, when Buffalo was eliminated by the Denver Broncos. That loss featured a controversial interception and a disputed pass-interference call, sealing another painful playoff exit for a franchise still chasing its first Lombardi Trophy.

Elite talent, unfinished business

During McDermott’s tenure, the Bills fielded one of the NFL’s most balanced rosters. Buffalo consistently ranked among the league’s top offenses and defenses, anchored by quarterback Josh Allen, who developed into a perennial MVP candidate.

Yet even with Allen at the helm and a defense that routinely finished in the top 10, Buffalo never reached the Super Bowl — a standard that now appears to have driven ownership’s decision.

McDermott’s coaching background

Before arriving in Buffalo, McDermott built his reputation as a defensive mind across two franchises:

  • Defensive coordinator, Carolina Panthers (2011–2016)
  • Defensive assistant, Philadelphia Eagles (2001–2010)

His Bills tenure marked the most successful sustained stretch in franchise history since the early 1990s — but also one that fell just short of ultimate success.

What comes next for Buffalo

With McDermott out, the Bills enter a pivotal offseason. Buffalo remains firmly in a Super Bowl window with Allen under center, but the franchise now faces a defining question: can a new voice push a talented roster past its playoff ceiling?

The coaching search is expected to move quickly as the Bills attempt to capitalize on their championship-ready core.

Player reaction from McDermott firing