Baseball's role in 'Seinfeld' becoming a classic
We're winners! We don't sit with losers!” - New York Yankees legend George Steinbrenner once acted for the global hit show Seinfield until his cameo was removed from the final release
George Steinbrenner is being mourned by the baseball world, so Page 2 honors the man who gave us so much great material - ESPN
The Real Reason Larry David Portrayed George Steinbrenner on Seinfeld
Remembering Steinbrenner as a 'Seinfeld' Star - The New York Times
When 'Seinfeld' Abandoned The Mets For The Yankees
Mapping a day in the life of Seinfield's George Costanza with the Yankees
How Larry David turned his Yankees pain into 'Seinfeld' gold
George Steinbrenner: 'He's more than just an owner to me, he's a friend,' says Derek Jeter – New York Daily News
Seinfeld Characters - George Steinbrenner
Yankees, Not Mets, Were Masters of Seinfeld's Domain - WSJ
Big Stein' relished Seinfeld spoof
Buck Showalter says Seinfeld cameo cost him money
How Jerry Stiller's Frank Costanza became the voice of Yankees fans in the pre-dynasty era