The Buffalo Bills enter Week 5 of the NFL season unbeaten at 4-0, but protecting Josh Allen remains a key storyline ahead of Sunday Night Football against the New England Patriots . Buffalo surrendered three sacks last week in its win over the Saints while right tackle Spencer Brown sat out with a calf injury. Head coach Sean McDermott confirmed Brown’s status is trending upward, but his availability could be pivotal against a Patriots front that has shown flashes of disrupting quarterbacks early this season.

Continuity has been a calling card for Buffalo’s offensive line the past two years, with Brown representing the only starter to miss a game due to injury since 2022. That stability has kept Allen upright and effective, but his protection will be tested if Brown can’t return to the

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