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Mets manager Buck Showalter says he has a problem with his 1994 'Seinfeld' cameo

George Steinbrenner – Society for American Baseball Research

Estelle Harris of 'Seinfeld,' 'Toy Story' dies at 93

What was it like appearing on Seinfeld? Former #MLB manager Buck Showalter looks back on the experience w/ Ben Ennis. Full chat 🎧, By Sportsnet 590 The FAN

George Steinbrenner – Society for American Baseball Research

Mets manager Buck Showalter says he has a problem with his 1994 'Seinfeld' cameo

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Mets Roger McDowell Seinfeld episode royalties - Sports Illustrated