News 49ers clinch NFC West title after win vs. Seahawks. Here are the winners and losers from TNF. December 16, 2022 Tyler Dragon, USA TODAY Comments Off on 49ers clinch NFC West title after win vs. Seahawks. Here are the winners and losers from TNF. The San Francisco 49ers are NFC West champs after defeating the Seattle Seahawks. Here are the winners and losers from "Thursday Night Football."