At today's Keith Hernandez number retirement at Citifieldclassic : r/seinfeld
Honoring Keith Hernandez's No. 17 jersey retirement with 17 stories of the Mets lifer - The Athletic
Emotional Keith Hernandez Further Ingrained in New York Mets' History With Jersey Retirement - Sports Illustrated New York Mets News, Analysis and More
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
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You were very important to my career and I think I was very important to your career - Jerry Seinfeld shares a heartwarming message for Keith Hernandez following number retirement ceremony
New York Mets to retire No. 17 jersey of Keith Hernandez on July 9 - ESPN
Mets retire No. 17 in pre-game ceremony honoring Keith Hernandez - CBS New York
Honoring Keith Hernandez's No. 17 jersey retirement with 17 stories of the Mets lifer - The Athletic
Keith Hernandez talks number retirement with Howie & Wayne
Keith Hernandez Caught Off Guard By Jersey Retirement, Reveals Mets' Old-Timers' Day Plans - Sports Illustrated New York Mets News, Analysis and More