Mets retire Willie Mays' No. 24 as Old-Timers' Day returns –
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets retire Keith Hernandez's No. 17 in Citi Field ceremony
Mets Announce Plans to Retire Jerry Koosman's Uniform #36, by New York Mets
307 Jerry Koosman” Baseball Stock Photos, High-Res Pictures, and Images - Getty Images
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
Mets announce plans to retire numbers of 1986 World Series champions Dwight Gooden and Darryl Strawberry
Mets to honor Tom Seaver with street renaming this Thursday at Citi Field in Flushing –
Mets Retire 36 for Koosman - NY Sports Day