Seahawks Defense Holds Chiefs to 213 Yards in 20-3 Win Ending Kansas City Unbeaten Start
What happened
The Seattle Seahawks handed the Kansas City Chiefs their first defeat of the 2026 season with a 20-3 victory at Lumen Field, holding Patrick Mahomes without a single red-zone appearance.
The Context
* Defensive containment ruled the night, as Seattle's league-leading unit restricted a Kansas City offense that entered averaging 414 yards per game to zero touchdowns and just 36 rushing yards on 14 carries from former Seahawk Kenneth Walker III. * Efficient offensive execution delivered the margin, driven by quarterback Sam Darnold’s 257 passing yards, a 150-yard outing from Jaxon Smith-Njigba, and Emanuel Wilson’s 100-yard rushing performance. * Kansas City lost its flawless run, falling to 5-1 on the season while Seattle reset its momentum to move to 4-3 and snap a two-game skid.
The Number
total yards allowed by Seattle’s defense—slashing Kansas City's typical 414-yard production nearly in half and demonstrating how disciplined execution disrupts even the most reliable operations.
Takeaway
Kansas City faces a critical test of offensive recalibration as they move to 5-1, while Seattle looks to solidify its momentum in an upcoming home tilt against the Chicago Bears.
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