Seattle outgained Kansas City 410 to 213 and held the ball for 35:51. The Chiefs' only points came on a 50-yard Harrison Butker field goal late in the third quarter.
Fantasy lines
Sam Darnold completed 20 of 28 for 257 yards, one touchdown and one interception. Smith-Njigba drew 12 targets and scored on a 28-yard catch just before halftime. AJ Barner added four catches for 42 yards.
With Zach Charbonnet ruled out before the game, Emanuel Wilson carried 24 times for 100 yards and sealed it with a 21-yard touchdown run with 3:47 left.
Patrick Mahomes had his roughest night of the year: 19 of 33 for 165 yards, no touchdowns and an interception. Kenneth Walker III, facing his former team, ran 14 times for 36 yards and caught four passes for 21. Travis Kelce caught four of eight targets for 44 yards, and Underdog NFL notes he now holds the record for career receiving yards by a tight end, playoffs included. Xavier Worthy was the biggest dud with three catches for 11 yards on six targets. Rashee Rice (hamstring) did not play.
What changed for RSO owners
Rashid Shaheed left with a knee injury and did not return, and running back Velus Jones Jr. went out with a hamstring injury. Both injuries came from in-game team updates relayed by NFL insiders. Shaheed finished with two catches for one yard.