Jerry Koosman number retirement set for June 13 - Amazin' Avenue
Mets Honor Keith Hernandez With Number Retirement Ceremony - Metsmerized Online
Mets retiring No. 36 of ex-pitcher Koosman in '20 - ESPN
Mets retire Koosman's 36 five decades after '69 heroics
Mets retire Jerry Koosman's No. 36 'This is your home, and this is your family'
NY Mets honor legend Jerry Koosman by retiring No. 36 jersey
Jerry Koosman's No. 36 to be retired
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets Retired Numbers
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Mets to retire numbers of Darryl Strawberry, Dwight Gooden
Koosman Jersey Retirement - Aug 28, Join the celebration at @CitiField on Saturday, Aug. 28 as we retire Jerry Koosman's number 3⃣6⃣. First 25,000 fans in attendance will receive a Kooz