Keith Hernandez's Seinfeld Cameo is Still Legendary 20 Years Later - FanBuzz
Jerry Seinfeld and Keith Hernandez Reunite at NY Mets' Citi Field
Keith Hernandez Talks '23 Mets, '86 World Series, Seinfeld & More with Rich Eisen
Someone managed to sneak the Keith Hernandez Seinfeld episode into an Ask Amy column
Keith Hernandez MLB Career and Early Life
Shorter MLB games benefit broadcasters and stadium staff
Jerry Seinfeld joined Keith Hernandez in Mets booth for funny segment
Keith Hernandez Didn't Quit When Baseball Was Disrupted
New York Mets legend Keith Hernandez tells Tucker Carlson how 'Seinfeld' gave him 'another life
Keith Hernandez talks Mets, baseball, 'Seinfeld' at Drew University