How Did Keith Hernandez End Up Guest Starring on Seinfeld?

Keith Hernandez recalls his guest appearance on Seinfeld

Seinfeld': Ranking 10 Baseball Cameos And Near Cameos

June 14, 1987: Oral history of Seinfeld Keith Hernandez show

Keith Hernandez's top Mets moments, No. 4: Seinfeld

Someone managed to sneak the Keith Hernandez Seinfeld episode into an Ask Amy column

Seinfeld': Bryan Cranston, Teri Hatcher, 'Newman' on Memorable Roles

Interview: Mets Star Keith Hernandez on 'Seinfeld

Seinfeld finale: These guest stars reprised their characters for last episode

Keith Hernandez, WikiSein

Keith's Seinfeld Cameo, cameo appearance, This episode of Seinfeld aired in February of 1992, but 35 years ago today, Keith Hernandez made a costly error JUNE 14, 1987. METS. PHILLIES.

Keith Hernandez, Baseball Wiki

Keith Hernandez's Seinfeld Cameo is Still Legendary 20 Years Later - FanBuzz