The Buffalo Bills defeated the Kansas City Chiefs 28–21 on Sunday. With the win, Bills quarterback Josh Allen improved to 5–1 against Chiefs star Patrick Mahomes in regular-season matchups. The most anticipated matchup of Week 9 took place on Sunday evening as the Kansas City Chiefs traveled to Highmark Stadium for a showdown with the Buffalo Bills — a familiar rivalry that has defined much of the AFC over recent seasons.

Bills star quarterback Josh Allen gives his initial reaction after beating the Chiefs in what is a statement win.

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Josh Allen and Stefon Diggs had a short and sweet conversation at midfield after the veteran wide receiver got revenge on his former team. Returning to Buffalo for the first time as a visitor, Stefon Diggs had a field day with 10 receptions for 146 yards ...

Buffalo Bills quarterback Josh Allen threw for 273 yards with a passing touchdown and a pair of rushing touchdowns in his team's 28-21 win over the Kansas City Chiefs in Week 9.