![Mets to retire 1969 World Series hero Koosman's number in August](https://a3.espncdn.com/combiner/i?img=%2Fphoto%2F2021%2F0425%2Fr845648_1296x729_16%2D9.jpg&w=570&h=321&format=jpg)
Friendship, memories and a year with the 1969 New York Mets - ESPN
![Mets to retire 1969 World Series hero Koosman's number in August](https://qns.com/wp-content/uploads/2020/03/Koosman-819x1024.jpg)
Mets announce Jerry Koosman number retirement date –
![Mets to retire 1969 World Series hero Koosman's number in August](https://www.nydailynews.com/wp-content/uploads/migration/2009/08/28/6GOSQVEJ5HW5UM2RITMKO5QMJM.jpg?w=620)
Mets honor 1969 World Series Champions – New York Daily News
![Mets to retire 1969 World Series hero Koosman's number in August](https://vault.si.com/.image/t_share/MTY5MDk4MzU4MTM4MDg2Njg5/1004216---cover-thumbnail-image.jpg)
MIRACLE METS - Sports Illustrated Vault
![Mets to retire 1969 World Series hero Koosman's number in August](https://metsmerizedonline.com/wp-content/uploads/2023/05/jerry-koosman-2-1.jpg)
Heroes of '69: Jerry Koosman Lived For The Big Games - Metsmerized Online
![Mets to retire 1969 World Series hero Koosman's number in August](https://www.nydailynews.com/wp-content/uploads/migration/2009/08/28/SVBJMOSHTQ7WFDM236JWDCT3PI.jpg?w=620)
Mets honor 1969 World Series Champions – New York Daily News
![Mets to retire 1969 World Series hero Koosman's number in August](https://miro.medium.com/max/1024/1*HVHxiKyb5_MF8Veqji0QhA.png)
Uncle Mike's Musings: A Yankees Blog and More: October 6, 1969: The Mets' 1st Pennant
![Mets to retire 1969 World Series hero Koosman's number in August](https://www.northjersey.com/gcdn/presto/2019/06/27/PNJM/07b4b45c-c738-4246-90a4-15befd9b85ba-242f516f_00006.jpg)
Jerry Koosman: NY Mets legend on jersey retirement, World Series
![Mets to retire 1969 World Series hero Koosman's number in August](https://i0.wp.com/mets360.com/wp-content/uploads/2012/01/Retired-Numbers.jpg?fit=300%2C225&ssl=1&resize=350%2C200)
Why don't the Mets retire more jersey numbers? – Mets360
![Mets to retire 1969 World Series hero Koosman's number in August](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Wall_st._%282987740410%29.jpg/170px-Wall_st._%282987740410%29.jpg)
1969 World Series - Wikipedia