Mets announce Jerry Koosman number retirement date –

Jerry Koosman Mets Hall of Fame Plaque - Mets History

Mets to retire Koosman's number — Queens Daily Eagle

Hostess Card Of The Week: 1977 Jerry Koosman

Mets announce Jerry Koosman number retirement date

Jerry Koosman's No. 36 retired by Mets

Jerry Koosman: NY Mets legend on jersey retirement, World Series

New York Mets to Retire 2 Legends Jersey Numbers Next Season - Sports Illustrated New York Mets News, Analysis and More

Mets to Retire Jerry Koosman's Jersey - The New York Times

Jerry Koosman's No 36 to be retired by Mets in June

Jerry Koosman's No. 36 to Be Retired By Mets in June – NBC New York

Ultimate Mets Database - Jerry Koosman

Mets Retire Legendary Pitcher Jerry Koosman's No. 36 - Sports Illustrated New York Mets News, Analysis and More