This marks the first time in his career that he has not been able to complete at least 50 percent of his passes.

Mahomes finished the game 15-of-34, which marked the first time in his pro career that he’s completed less than 50 percent of his passes in a game.

With the victory, Josh Allen has now won five consecutive regular-season showdowns against Patrick Mahomes and the Chiefs, improving to 5–1 since becoming the Bills’ starter.