Former Seattle Seahawks and current Kansas City Chiefs running back Kenneth Walker III ran wild over five games . Then he ran back into the brick wall that he used to practice against every day.

Stopping Walker was the primary emphasis for the Seahawks’ league-best defense in their 20-3 win over the Chiefs on Sunday, and they exceeded all expectations in pursuit of that goal.

“We [had] to play in waves, because he’s still going to break tackles,” Seahawks head coach Mike Macdonald said postgame. “I’m sure he broke a host of tackles, because that’s what he does. So, we had to get people to the football, and that gave us the best chance. I felt the guys play like that; I felt like we played great team defense today.”

Walker entered the game with six rushing touchdowns and a per-game average of 133 rushing yards.…