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New York Mets on X: 📅 The date is set! 📅 We will retire Jerry
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Mets to retire Koosman's number — Queens Daily Eagle
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Mets will retire Jerry Koosman's number in 2020 – New York Daily News
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Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
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Mets Announce Plans to Retire Jerry Koosman's Uniform #36
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Jerry Koosman Jersey Retirement Ceremony
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Jerry Koosman: NY Mets legend on jersey retirement, World Series
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Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
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Mets retiring 1969 World Series hero Jerry Koosman's No. 36
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Jerry Koosman Jersey Retirement Ceremony
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Jerry Koosman Jersey Retirement Ceremony