NFL: San Francisco 49ers beat Seattle Seahawks 21-13 to seal NFC West title and play-off place - BBC Sport
49ers observations: Brock Purdy, George Kittle fuel NFC West-clinching win – NBC Sports Bay Area & California
San Francisco 49ers clinch NFC West with victory in Seattle - ESPN
49ers clinch NFC West with 21-13 win over Seahawks
NFL playoff preview: Seahawks, 49ers clash for 3rd time
Purdy, 49ers topple Seahawks 21-13, win NFC West
Seahawks vs. 49ers, NFL Week 15: Injury updates, highlights, odds, previews, score - Field Gulls
49ers beat Seahawks on TNF, San Francisco are NFC West Champions - Niners Nation
49ers vs. Seahawks Week 13 Highlights
Takeaways from Seahawks 21-13 loss to 49ers
49ers Clinch NFC West and Playoff Spot With 21-13 Victory Over the Seahawks on Thursday Night Football – Celeb Secrets
Purdy, 49ers topple Seahawks 21-13, win NFC West – Winnipeg Free Press
Purdy, 49ers topple Seahawks 21-13, win NFC West
Three things we learned from the Seahawks' loss to the rival 49ers