Mets announce Jerry Koosman number retirement date –
NY Mets to retire pitcher Jerry Koosman's number next season
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
Jerry Koosman's No 36 to be retired by Mets in June
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Jerry Koosman Jersey Retirement Ceremony
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York
Mets retiring No. 36 of ex-pitcher Koosman in '20 - ESPN
Mets announce Jerry Koosman number retirement date
Jerry Koosman Jersey Retirement Ceremony
Jerry Koosman Mets Hall of Fame Plaque - Mets History
Mets announce Jerry Koosman number retirement date
Jerry Koosman Jersey Retirement Ceremony
Humble Jerry Koosman joins Mets hopefully-expanding pantheon with number retirement
