49ers observations: Brock Purdy, George Kittle fuel NFC West-clinching win – NBC Sports Bay Area & California
Seahawks vs. 49ers score, takeaways: San Francisco clinches NFC West behind Brock Purdy, dominant defense
Ramp up Purdy mania, 49ers beat Seahawks 21-13 to clinch NFC West
Seahawks ready to take best shot at white-hot 49ers
Brock Purdy Era in San Francisco off to 2-0 start after the 49ers beat the Seahawks to clinch division - The Boston Globe
NFL Week 15 highlights: Purdy, 49ers top Seahawks to clinch NFC West
49ers clinch NFC West title with TNF win over rival Seahawks, NFL
Updated NFL playoff picture after 49ers beat Seahawks to clinch NFC West: Breathing room for Giants in wild-card race
49ers clinch NFC West with 21-13 win over Seahawks