New York Mets great Keith Hernandez details his relationship with Jerry Seinfeld and what led to his cameo on Seinfeld. Only at #ThuzioClub, By Thuzio

Iconic MLB moments from Jerry Seinfeld's record-breaking sitcom, featuring George Costanza teaching Derek Jeter how to swing and Keith Hernandez dating Elaine Benes

Jerry Seinfeld says Mets first pitch is his greatest accomplishment - Sports Illustrated

Mets to host Seinfeld Night vs. Phillies, reunite Keith Hernandez and Jerry Seinfeld

Iconic MLB moments from Jerry Seinfeld's record-breaking sitcom, featuring George Costanza teaching Derek Jeter how to swing and Keith Hernandez dating Elaine Benes

Inside Mets' Keith Hernandez's epic Seinfeld cameo

Seinfeld, Keith Hernandez; Second-spitter episode - Sports Illustrated

Keith Hernandez Answers Every Question We Have About 'Seinfeld' - New York Magazine

New York Mets great Keith Hernandez details his relationship with Jerry Seinfeld and what led to his cameo on Seinfeld. Only at #ThuzioClub, By Thuzio

Jerry Seinfeld joined Keith Hernandez in Mets booth for funny segment

Iconic MLB moments from Jerry Seinfeld's record-breaking sitcom, featuring George Costanza teaching Derek Jeter how to swing and Keith Hernandez dating Elaine Benes

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