Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire 1969 World Series hero Koosman's number in August
Mets honor Jerry Koosman with overdue jersey retirement
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
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Mets should retire Jerry Koosman's number this year regardless of 2020 season outcome
NY Mets to retire Jerry Koosman's number next season, Jeff Wilpon says
WHEN TOPPS HAD (BASE)BALLS!: TRADED- 1979 JERRY KOOSMAN
NY Mets to retire pitcher Jerry Koosman's number next season
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire No. 24 jersey formerly worn by Hall of Famer Willie Mays
New York Mets - Wikipedia
