Mets Editorial: How exclusive should number retirement be? - Amazin' Avenue
NY Mets to retire Jerry Koosman's number next season, Jeff Wilpon says
Mets to Retire Jerry Koosman's Jersey - The New York Times
Mets to retire Koosman's number — Queens Daily Eagle
Jerry Koosman Autographed Jersey - Mets History
Mets to honor Tom Seaver with street renaming this Thursday at Citi Field in Flushing –
Mets retiring Dwight Gooden's No. 16 and Darryl Strawberry's No. 18 next season - CBS New York
NY Mets to retire pitcher Jerry Koosman's number next season
Mets to Retire Jerry Koosman's Jersey - The New York Times
Jerry Koosman Jersey Retirement Ceremony
What Jerry Koosman and Tom Seaver did 50 years ago is unimaginable today – New York Daily News
Keith Hernandez Joins Short List Of New York Mets With Retired Jerseys