Word is the 49ers and Seahawks have the most intense rivalry in the NFL, and anecdotal evidence supports that assertion.
The teams both are excellent, well-matched and none too fond of each other.
The record also speaks volumes:
This rivalry starts on the sidelines and works its way toward the center of the field. Jim Harbaugh, the 49ers coach who often seems at odds with pretty much everyone not a 49er, and Seattle coach Pete Carroll, whose bearing seems geared to get under people’s skin, lob Scuds toward each other with comforting regularity.
Seahawks cornerback Richard Sherman and 49ers wide receiver Anquan Boldin, both fine players, seem hard-wired to keep up a steady stream of game-time barking. And their friends join in.
And the fans? They’re ready to go to war. From the comfort of their stadium seats and couches and bar stools, of course, which is a very good system.
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