Jerry Koosman Jersey Retirement Ceremony
Remembering Mets History (1973): Jerry Koosman Wins April NL Pitcher of the Month
Mets retiring 1969 World Series hero Jerry Koosman's No. 36
Mets Retired Numbers
2021 New York Mets Jerry Koosman Number Retirement Night Bobblehead SGA 1969
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets will retire Jerry Koosman's number in 2020 – New York Daily News