In the NFL, a rivalry needs more than just history to stay alive—it needs relevance, emotion, and fan engagement. That's exactly what keeps the tension between the Arizona Cardinals and Seattle Seahawks simmering, and according to recent analysis, it's the Seahawks who still top the list of most hated teams among Cardinals fans.

RotoWire's fan survey shows that during matchup weeks, digital engagement spikes, and negative sentiment toward Seattle dominates online platforms. The data points to a rivalry that's not just alive, but thriving. A decade ago, this feud was fueled by playoff stakes and defensive battles. The Seahawks, led by Pete Carroll and Russell Wilson, represented a ceiling the Cardinals struggled to break through. That frustration didn't just create dislike—it became part of Arizona's identity. The Cardinals measured themselves against Seattle, and that measuring stick still feels personal.

Today, the NFC West has changed. The Los Angeles Rams have a Super Bowl blueprint Arizona hasn't matched, and the San Francisco 49ers have become the division's physical standard. But ask any Cardinals fan who they truly disdain, and the answer is still Seattle. That's not accidental—it's psychological residue. Rivalries imprint through repeated high-stress moments, not just recent success. Seattle remains the emotional baseline.

Fan sentiment data backs this up. Even in seasons when Seattle isn't dominant, Cardinals-Seahawks matchups consistently outperform others in terms of passion, tension, and raw emotion. For Arizona fans, the Seahawks aren't just another opponent—they're the benchmark for frustration and fire. And as long as that feeling lingers, the rivalry stays alive.