Buck Showalter had no idea 'Seinfeld' was popular when he made his appearance on the show
Watch: Buck Showalter says 'Seinfeld' cameo costs him money
Seinfeld: 15 Behind-The-Scenes Trivia Tidbits
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Imagine trading Jay Buhner for this guy? : r/seinfeld
The SEINFELD TRIVIA Thread*** - Page 64 — Pearl Jam Community
A Uni Watch Look at New Mets Manager Buck Showalter
Classic TV episodes featuring Yankees as themselves - Pinstripe Alley
Seinfeld: 15 Behind-The-Scenes Facts And Recent Revelations
CBN HOF Series: Buck Showalter on Derek Jeter — Canadian Baseball Network
Mayer] Buck Showalter has been named NL Manager of the Year by Sporting News : r/baseball
I could never really get into seinfeld but I figured Yankees and Mets fans would like this lol. : r/mlb
The 10 funniest 'Seinfeld' sports cameos* from Jeter to Hernandez
Ranking the 25 greatest 'Seinfeld' episodes of all-time