When 'Seinfeld' Abandoned The Mets For The Yankees
Was Kramer a Mets fan or a Yankees fan?
Larry David explains how Seinfeld's George Costanza wound up with Yankees
10 Most Underrated Seinfeld Episodes
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New York Yankees: Who Remembers Billy Martin?
Yankees, Not Mets, Were Masters of Seinfeld's Domain - WSJ
Seinfeld Season 6, Maps About Nothing. A global guide to Seinfeld.
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Classic TV episodes featuring Yankees as themselves - Pinstripe Alley
Seinfeld: 40 Significant Style Moments » BAMF Style
Jerry Seinfeld blames Mets closer Edwin Diaz's very fun entrance for team's recent struggles