Buck Showalter had no idea 'Seinfeld' was popular when he made his appearance on the show
Autographed Jason Alexander and Buck Showalter Seinfeld Framed
Buck Showalter announces he will not return as Mets manager next season
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Teach Me Stuff
Showalter on Seinfeld appearance, 03/20/2022
Autographed Jason Alexander and Buck Showalter Seinfeld Framed
Buck Showalter signs three-year deal as new Mets manager
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Once Buck Showalter Goes, the New York Mets Can Start to Win