NFLLongtime NFL Coach Knox Dies at 86SavePrintHead coach Chuck Knox of the Seattle Seahawks watches the NFL game against the Kansas City Chiefs at Arrowhead Stadium in Kansas City, Missouri on Nov. 20, 1988. Jonathan Daniel/Getty ImagesReuters5/13/2018|Updated: 5/13/2018Chuck Knox, a longtime NFL coach who won 186 regular-season games, died Sunday at age 86, the Seattle Seahawks confirmed.Knox’s granddaughter, Lee Ann, originally announced the news on Twitter.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.