Buffalo Bills star Josh Allen torched the Kansas City Chiefs’ defense for four touchdowns in the team’s 38-20 victory on Sunday night.

Allen was 15-for-26 with 315 passing yards and three touchdown passes. He also had 59 rushing yards on 11 carries, including an impressive hurdle in the third quarter. He finished with a season-high 139.1 passer rating.

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Buffalo Bills quarterback Josh Allen (17) throws over Kansas City Chiefs defensive tackle Derrick Nnadi (91) during the first half of an NFL football game Sunday, Oct. 10, 2021, in Kansas City, Mo.

Buffalo Bills quarterback Josh Allen (17) throws over Kansas City Chiefs defensive tackle Derrick Nnadi (91) during the first half of an NFL football game Sunday, Oct. 10, 2021, in Kansas City, Mo. (AP Photo/Charlie Riedel)

It was all Buffalo all night.

The Chiefs ran a total of 79 plays and even had 392 total yards but the turnovers piled up and really hurt them down the stretch. Patrick Mahomes had two interceptions in the loss and the team had two fumbles. Mahomes now has six interceptions on the season, which is as many as he had in 2020.

No Bills receiver had more than three catches. Dawson Knox led the team with three catches for 117 yards and a touchdown. Emmanuel Sanders had three catches for 54 yards and two touchdowns.

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Buffalo Bills quarterback Josh Allen scrambles during the first half of an NFL football game against the Kansas City Chiefs Sunday, Oct. 10, 2021, in Kansas City, Mo.

Buffalo Bills quarterback Josh Allen scrambles during the first half of an NFL football game against the Kansas City Chiefs Sunday, Oct. 10, 2021, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Micah Hyde had a Pick Six of Mahomes in the third quarter. Gregory Rousseau tipped a Mahomes pass to himself for an interception. Tre’Davious White and Andre Smith both recovered a fumble.

The Bills defense made Mahomes comfortable all night. He finished 33-for-54 with 272 passing yards, two touchdown passes and two picks. He also led the team in rushing with 61 yards on the ground.

Mecole Hardman had nine catches for 76 yards. Travis Kelce and Byron Pringle had a touchdown catch each. Josh Gordon, who was playing his first game since the 2019 season, had one catch.

Kansas City Chiefs quarterback Patrick Mahomes reacts during the second half of an NFL football game against the Buffalo Bills Sunday, Oct. 10, 2021, in Kansas City, Mo.

Kansas City Chiefs quarterback Patrick Mahomes reacts during the second half of an NFL football game against the Buffalo Bills Sunday, Oct. 10, 2021, in Kansas City, Mo. (AP Photo/Ed Zurga)

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Buffalo moved to 4-1 on the season and made its case for the best team in the AFC. The Chiefs stunningly fell to 2-3 and have their work cut out for them in the AFC West division.