Hundreds of San Francisco 49er fans showed up in Seattle on Saturday in advance of Sunday's game against the Seahawks.
The team tweeted a video thanking the "Faithful" for welcoming the team.
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RELATED: 49ers, Seahawks will battle it out for NFC West title Sunday night
The game has major playoff implications for both teams.
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The winner will be crowned NFC West champions, meaning an easier path in the NFL playoffs.