LAS VEGAS - Patrick Mahomes and the Kansas City Chiefs visit the Las Vegas Raiders in a battle of undefeated AFC West teams today – Sunday, Oct. 4 – at Allegiant Stadium in Las Vegas, Nevada. How to watch Chiefs vs.

The NFL Week 4 matchup is set for Sunday, Oct. 4 at Allegiant Stadium in Las Vegas.

The Denver Broncos and Kansas City Chiefs close out Week 1 with an AFC West showdown under the lights at Arrowhead Stadium. Denver enters the season looking to build on last year's AFC West title, while Kansas City begins its bounce-back bid with Patrick Mahomes returning from the knee injury that ended his 2025 campaign.

The Chiefs will take on the Denver Broncos on Sept. 14 at 8:15 p.m. ET from Arrowhead Stadium in Kansas City.