Purdy, 49ers topple Seahawks 21-13, win NFC West - West Hawaii Today
Seahawks lose to the 49ers 13-21
Seahawks lose to the 49ers 13-21
Photos: Seattle Seahawks lose their second preseason game to the Chicago Bears 11-27
So close! Seahawks fall inches short to 49ers in battle for NFC West title
Gallery: Seahawks throttle 49ers, 20-3
How the 49ers beat the Seahawks: Brock Purdy throws 2 TDs to George Kittle, defense shines on Thursday Night Football - The Athletic
NFL: San Francisco 49ers beat Seattle Seahawks 21-13 to seal NFC West title and play-off place - BBC Sport
How the 49ers beat the Seahawks: Brock Purdy throws 2 TDs to George Kittle, defense shines on Thursday Night Football - The Athletic
49ers botch Week 13 vs. Seahawks by disjointed, ugly play
49ers vs. Seahawks Week 13 Highlights