How Did Keith Hernandez End Up Guest Starring on Seinfeld?
Keith's Seinfeld Cameo, cameo appearance
Keith Hernandez, Baseball Wiki
Seinfeld finale: These guest stars reprised their characters for
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A Man in Full Unleashes His Inner Goof - The New York Times
Interview: Mets Star Keith Hernandez on 'Seinfeld
Keith Hernandez on 'Seinfeld' nerves, laughs, and kissing Elaine
This 'Seinfeld' Star Was 'Standoffish' to Guest Stars in the Series
Q&A: Jerry Seinfeld, New York Mets, MLB superfan - ESPN
Keith Hernandez, WikiSein
This 'Seinfeld' Star Was 'Standoffish' to Guest Stars in the Series
The 50 Best 'Seinfeld' Episodes, Ranked – IndieWire
Interview: Mets Star Keith Hernandez on 'Seinfeld
Keith Hernandez Says Jason Alexander Was “Standoffish” on