Players, competitions and storylines to watch when the Seahawks host the Kansas Chiefs Friday night at Lumen Field.

“Darnold might be the biggest X-factor in the entire NFL this season. He's a massive boom-or-bust player for the Seahawks, who traded away two-time Pro Bowler Geno Smith. It's a gamble that could either net Seattle a long-term starter or place head coach Mike Macdonald and general manager John Schneider on the hot seat.”