“There was a lot of red out here.” That simple line from a Seahawks fan perfectly captured the vibe of Sunday’s season opener at Lumen Field on Sunday. What used to be one of the NFL’s loudest strongholds felt more like enemy territory as Kyle Shanahan’s San Francisco 49ers clinched the win and took over the crowd.

According to Vivid Seats , 49ers fans made up a whopping 51% of the audience, traveling an average of 672 miles to cheer on their team in Seattle. Local fan clubs organized meetups, creating a takeover atmosphere in a stadium that has long celebrated the strength of its “12s.” For the Seahawks, the optics were tough to swallow. Their home-field advantage took a hit last year with a 3–6 record, and the surge of rival fans only intensified worries about whether th

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