George Costanza Yankees Jersey - If only he made the team

Damn Yankees!: The Most Memorable Appearances by NY Yankee Players on Seinfeld, News, Scores, Highlights, Stats, and Rumors

The Offseason of George, Bronx Pinstripes

Advice for Alex Rodriguez from George Costanza - ESPN

Could George Costanza have made it in the big leagues? - NBC Sports

George Costanza - New York, New York, United States, Professional Profile

When 'Seinfeld' Abandoned The Mets For The Yankees

Uncle Mike's Musings: A Yankees Blog and More: Cashman Achieves Costanza Level

Yankees, Not Mets, Were Masters of Seinfeld's Domain - WSJ

Vintage New York Yankees Jersey #00 George Costanza Seinfeld Majestic Blue Men's

Look: Minor league team has incredible George Costanza bobblehead