The Patriots turned over nearly 10% of their roster before their Week 18 game against the Bills at Gillette Stadium. The Patriots, who had one open roster, spot, signed tight end Jack Westover, defensive end Truman Jones,

For the Patriots, the focus may not be on winning as much as evaluating their roster and building for the future. Here are five keys to the game in Sunday’s regular season finale: The Patriots are in a unique situation. The Bills are locked into the playoffs and are unlikely to play Josh Allen and other starters for more than a few series.

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