DENVER (AP) — Peyton Manning went virtually untouched by Kansas City’s sack-happy defense Sunday night, throwing for 323 yards and a touchdown to lead the Denver Broncos to a 27-17 victory over the NFL’s last undefeated team. The Chiefs, who came into the game with a league-leading 36 sacks, barely breathed on Manning, who finished 24 for 40.

The Broncos tied Kansas City at 9-1 atop the AFC West with a rematch set in two weeks. Denver fell short of its league-leading average of 41.2 points but the Chiefs, who came in allowing a NFL-low 12.8 per game, couldn’t keep up. Alex Smith threw for 230 yards and two touchdowns for Kansas City, which hadn’t lost since a 38-3 setback in Denver last December to close out a 2-14 season.

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DENVER (AP) — Kansas City defensive end Mike DeVito and Denver safety Rahim Moore were knocked out with injuries in the first half of the Chiefs-Broncos showdown Monday night. DeVito injured his left knee on a short run by Knowshon Moreno in the first quarter and walked off on his own after staying down for a minute.

Moore left the game in the second quarter with what the Broncos called only a lower-leg injury. It wasn’t clear on what play Moore got hurt. Both players were ruled out for the second half. Denver led 17-10 at halftime.