nytimes August 28, 2021 5:00pm Mets to Retire Jerry Koosman's Jersey #baseball #awardsdecorationsandhonors #contenttypepersonalprofile #koosmanjerry #newyorkmets #seavertom #news In Retiring Koosman’s Number, the Mets Protect Their History A permanent tribute to Jerry Koosman, the left-hander who helped lead the team to World Series glory, is a move in the right direction for a club that tends to step on its own feet.