The Kansas City Chiefs were defeated by the Seattle Seahawks 20-3 at Lumen Field on 'Sunday Night Football' in Week 7 of the 2026 NFL regular season.

Star quarterback Patrick Mahomes completed 19 of his 33 pass attempts for 165 yards and was intercepted once. Mahomes failed to throw a touchdown pass in the game.

Veteran tight ends Noah Gray and Travis Kelce were the Chiefs' leading receivers with 44 yards each on three and four catches, respectively.

Kansas City's ground game was led by running back Kenneth Walker III, who rushed for 36 yards on 14 attempts against his former team.

Defensively, the Chiefs were led by veteran linebackers Nick Bolton and Drue Tranquill, who both tallied 12 combined tackles. Second-year defensive back Nohl Williams recorded an interception and 10 combined tackles. Kansas City's pass-rushers failed to record a sack in the game.

Kicker Harrison Butker scored the Chiefs' only points in the game, but also missed two of his three field goal attempts.

Now 5-1 in the regular season, Kansas City will look ahead to its Week 8 matchup against the Denver Broncos.