49ers clinch NFC West with 21-13 win over Seahawks
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49ers nickname: The 49ers “NC-17” defense suffocates the Seahawks en route to NFC West Title - Niners Nation
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Seahawks vs. 49ers score, takeaways: San Francisco clinches NFC West behind Brock Purdy, dominant defense
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San Francisco 49ers dominate Seahawks to clinch NFC West - The Globe and Mail