Paradise, Nevada - Josh Allen sparked the Buffalo Bills late in a tight NFL victory Sunday at Las Vegas while the Cleveland Browns edged Baltimore to seize a division lead.

Allen completed 23-of-33 passes for 255 yards and two touchdowns as Buffalo held off the Raiders for a 33-30 victory that kept the Bills atop the AFC East at 5-1.

"We're playing good football," Allen said. "A lot of things to improve on. We'll watch this one, clean it up, enjoy our bye week and then we've got to find a way to go continue to win games."

Buffalo's C.J. Gardner-Johnson was ejected for spitting on a Raiders player in the second quarter, helping set up a field goal that put Vegas level 13-13 at halftime.

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Allen heaved a scrambling shot put-style 12-yard touchdown pass to Keon Coleman with 6:22 remaining to tie Jim Kelly for the most TD passes in Bills history.

"Hopefully no one intercepts this ball," Allen said he was thinking.

After Vegas equalized, Allen guided a 66-yard drive capped by James Cook's three-yard touchdown run, and Tyler Bass added a 38-yard field goal to boost Buffalo's lead.

Vegas pulled within the final margin on a 44-yard Kirk Cousins touchdown pass to Tre Tucker, but the Raiders could not recover an onside kick and Buffalo ran out the clock.

At Cleveland, Andre Szmyt's 37-yard field goal gave the hosts a 13-10 win over the Ravens and the Browns an AFC North lead this late in a season for the first time since 2014.

Szmyt, who missed from 48 yards minutes before, delivered a kick that left both clubs 4-2 but the Browns atop on tie-breakers.

Patrick Mahomes completed 23-of-30 passes for 272 yards, and Kenneth Walker ran for 128 yards and two touchdowns as host Kansas City (5-0) remained unbeaten by dumping the winless Los Angeles Chargers 22-6.

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The NFL's two other unbeaten teams were idle with Minnesota (5-0) off this week and San Francisco (5-0) entertaining Washington on Monday.

At London, Ka'imi Fairbairn kicked a 49-yard field goal on the last play to give the Houston Texans a 34-31 victory over Jacksonville.

C.J. Stroud completed 24-of-34 passes for 312 yards and three touchdowns as Houston improved to 2-4 while dropping the Jaguars to 4-2.

Jaguars two-way star Travis Hunter made an interception and three tackles plus four catches for 59 yards and a touchdown – the first player since 2002 with a pickoff and touchdown grab in one game.

At Tampa Bay, Aaron Rodgers flipped a six-yard touchdown pass to Germie Bernard in overtime to give Pittsburgh a 26-19 victory over the Buccaneers.

Chicago's Caleb Williams, who missed the past three games with a hamstring injury, completed 30-of-36 passes for 305 yards and a touchdown in the Bears' 31-23 triumph at Atlanta.

"It's awesome being back," said Williams. "After the long weeks trying to get back out here, the emotions took over. Then it was getting back to having a level head and being in control of myself for the guys."

Falcons rookie linebacker Kendal Daniels was hurt when tackling Bears tight end Colston Loveland, his facemask slamming into Loveland's knee, and stretchered off the field to a hospital, but the team said he was alert and had movement in all extremities.

At New England, Drake Maye threw for 235 yards and three touchdowns to give the host Patriots a 26-19 victory over the New York Jets.

Chad Ryland kicked his sixth field goal, a 43-yarder, on the last play as visiting Arizona upset the Los Angeles Rams 18-16.

Joey Slye kicked field goals from 44 and 49 yards in the last 2:03 as previously winless Tennessee won 26-20 at Indianapolis.

Tyler Shough threw for 144 yards and three touchdowns to spark New Orleans over the host New York Giants 34-27.

Bryce Young threw for 281 yards and two touchdowns in Carolina's 25-14 victory at Philadelphia.

In the late game, the Dallas Cowboys, hoping to bounce back from an embarrassing home defeat to the Tampa Bay Buccaneers, instead stumbled to a second straight reverse with a 23-13 loss to the Green Bay Packers at Lambeau Field.

The Cowboys fell to 2-4 with the defeat while the Packers improved to 4-2.